chore: update actions/checkout to version v6

Author: alextekartik

.github/dependabot.yml

@@ -5,6 +5,10 @@ version: 2
 enable-beta-ecosystems: true
 
 updates:
+  - package-ecosystem: "pub"
+    directory: "."
+    schedule:
+      interval: "monthly"
   - package-ecosystem: "pub"
     directory: "core_node"
     schedule:
@@ -37,6 +41,14 @@ updates:
     directory: "repo_support"
     schedule:
       interval: "monthly"
+  - package-ecosystem: "pub"
+    directory: "stdio_node"
+    schedule:
+      interval: "monthly"
+  - package-ecosystem: "pub"
+    directory: "stdio_node_test"
+    schedule:
+      interval: "monthly"
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:

.github/workflows/run_ci.yml

@@ -38,7 +38,7 @@ jobs:
             dart: stable
             node: 20
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dart-lang/setup-dart@v1.4
         with:
           sdk: ${{ matrix.dart }}

.github/workflows/run_ci_downgrade_analyze.yml

@@ -20,7 +20,7 @@ jobs:
           - os: ubuntu-latest
             dart: stable
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dart-lang/setup-dart@v1.4
         with:
           sdk: ${{ matrix.dart }}