Bump actions/checkout (#9344)

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diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 0ac5255..80d49ab 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -36,7 +36,7 @@
         os: [ubuntu-latest, windows-latest]
     steps:
       - name: git clone
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
       - name: Load Cached Flutter SDK
         uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf
         with:
@@ -57,7 +57,7 @@
       fail-fast: false
     steps:
       - name: Clone Flutter DevTools
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
         with:
           ref: "${{ github.event.pull_request.head.sha }}"
       - name: Load Cached Flutter SDK
@@ -97,7 +97,7 @@
         os: [ubuntu-latest, windows-latest]
     steps:
       - name: git clone
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
       - name: Load Cached Flutter SDK
         uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf
         with:
@@ -119,7 +119,7 @@
         os: [ubuntu-latest, windows-latest]
     steps:
       - name: git clone
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
       - name: Load Cached Flutter SDK
         uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf
         with:
@@ -144,7 +144,7 @@
         os: [ubuntu-latest, windows-latest]
     steps:
       - name: git clone
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
       - name: Load Cached Flutter SDK
         uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf
         with:
@@ -171,7 +171,7 @@
 
     steps:
       - name: git clone
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
       - name: Load Cached Flutter SDK
         uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf
         with:
@@ -242,7 +242,7 @@
             shard: 3/3
     steps:
       - name: git clone
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
       - name: Load Cached Flutter SDK
         uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf
         with:
@@ -276,7 +276,7 @@
         os: [ubuntu-latest, windows-latest]
     steps:
       - name: git clone
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
       - name: Load Cached Flutter SDK
         uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf
         with:
@@ -297,7 +297,7 @@
       fail-fast: false
     steps:
       - name: git clone
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
       - name: Load Cached Flutter SDK
         uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf
         with:
@@ -315,7 +315,7 @@
       fail-fast: false
     steps:
       - name: git clone
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
       - name: Load Cached Flutter SDK
         uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf
         with:
@@ -338,7 +338,7 @@
 #          - test_dart2js
 #    steps:
 #      - name: git clone
-#        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+#        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
 #
 #      - name: tool/ci/bots.sh
 #        env:
@@ -358,7 +358,7 @@
 #          - integration_dart2js
 #    steps:
 #      - name: git clone
-#        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+#        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
 #      - name: tool/ci/bots.sh
 #        env:
 #          BOT: ${{ matrix.bot }}
diff --git a/.github/workflows/daily-dev-bump.yaml b/.github/workflows/daily-dev-bump.yaml
index dafe9c5..8d9d970 100644
--- a/.github/workflows/daily-dev-bump.yaml
+++ b/.github/workflows/daily-dev-bump.yaml
@@ -37,7 +37,7 @@
     runs-on: ubuntu-latest
     steps:
       - name: git clone devtools
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
         with:
           ref: master
 
diff --git a/.github/workflows/flutter-candidate-update.yaml b/.github/workflows/flutter-candidate-update.yaml
index 7dc4a66..37f0753 100644
--- a/.github/workflows/flutter-candidate-update.yaml
+++ b/.github/workflows/flutter-candidate-update.yaml
@@ -21,7 +21,7 @@
     runs-on: ubuntu-latest
     steps:
       - name: git clone devtools
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
         with:
           ref: master
 
diff --git a/.github/workflows/flutter-prep.yaml b/.github/workflows/flutter-prep.yaml
index e2d44e7..37da975 100644
--- a/.github/workflows/flutter-prep.yaml
+++ b/.github/workflows/flutter-prep.yaml
@@ -35,7 +35,7 @@
       # TODO(https://github.com/flutter/devtools/issues/5729) Consider caching DevTools so that we
       # don't check it out again is subsequent workflows.
       - name: Checkout DevTools (default)
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
 
       - name: Get Latest Flutter Candidate
         id: flutter-candidate
diff --git a/.github/workflows/workflow-bot-cleanup.yaml b/.github/workflows/workflow-bot-cleanup.yaml
index a7f4d4c..fcac544 100644
--- a/.github/workflows/workflow-bot-cleanup.yaml
+++ b/.github/workflows/workflow-bot-cleanup.yaml
@@ -16,7 +16,7 @@
     runs-on: ubuntu-latest
     steps:
       - name: Sparse checkout of the repository
-        uses: actions/checkout@09d2acae674a48949e3602304ab46fd20ae0c42f
+        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709
         with:
           sparse-checkout: |
             README.md