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

Author: renovate[bot]

.github/workflows/main.yml

@@ -24,7 +24,7 @@ jobs:
       BUNDLE_GEMFILE: Gemfile
 
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
@@ -43,7 +43,7 @@ jobs:
     name: Standard
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.2

.github/workflows/release-please.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
       # The logic below handles the npm publication:
       - name: Checkout Repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
         with:
           ref: ${{ needs.release-please.outputs.release_tag_name }}