Bump github/codeql-action from 3.26.5 to 3.26.6

Closes https://github.com/dart-lang/sdk/pull/56629

GitOrigin-RevId: 786f95c0052b6ea6db88eeae8cf99da9d3c1fbee
Change-Id: Ic2cec33da1210d1c2464b46cf5551d2824ed293d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/382908
Reviewed-by: Alexander Thomas <athom@google.com>

.github/workflows/scorecards-analysis.yml

diff --git a/.github/workflows/scorecards-analysis.yml b/.github/workflows/scorecards-analysis.yml
index c88f096..426786b 100644
--- a/.github/workflows/scorecards-analysis.yml
+++ b/.github/workflows/scorecards-analysis.yml
@@ -52,6 +52,6 @@
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@2c779ab0d087cd7fe7b826087247c2c81f27bfa6
+        uses: github/codeql-action/upload-sarif@4dd16135b69a43b6c8efb853346f8437d92d3c93
         with:
           sarif_file: results.sarif