chore(deps): update actions/checkout action to v6 (#272)

Author: renovate-bot

.github/workflows/check_filename.yaml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Validate filenames
         run: ./tools/validateFilenames.sh

.github/workflows/generate_json_pr.yaml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Node.js
         uses: actions/setup-node@v6

.github/workflows/lint_yaml.yaml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out repo
-      uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
     - name: Set up Python
       uses: actions/setup-python@v6

.github/workflows/validate_jsonschema.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: workflows-samples > Checkout Repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Node.js
         uses: actions/setup-node@v6
@@ -21,7 +21,7 @@ jobs:
         run: ajv compile -c ajv-formats -s jsonschema/workflows.json
 
       - name: workflows-demos > Checkout Repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
         with:
           repository: GoogleCloudPlatform/workflows-demos
           path: workflows-demos

.github/workflows/validate_syntax.yaml

@@ -13,7 +13,7 @@ jobs:
       matrix: ${{ steps.get-files.outputs.result }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Get source files
         uses: actions/github-script@v8
@@ -41,7 +41,7 @@ jobs:
         sample: ${{ fromJSON(needs.get-all-files.outputs.matrix) }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Node.js
         uses: actions/setup-node@v6