blast_repo fixes (#3646)

Dependabot for github_actions
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index ab8774e..3ce8efc 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,3 +5,8 @@
     directory: "/"
     schedule:
       interval: "monthly"
+
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly