chore(deps): update actions/checkout action to v6 (#74)

Author: renovate[bot]

.github/workflows/linter.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - name: Checkout
         id: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Lint Codebase

.github/workflows/release-container.yml

@@ -15,7 +15,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Run release script
         if: ${{ github.event_name != 'pull_request' }}
         run: |

.github/workflows/release-internal.yml

@@ -18,7 +18,7 @@ jobs:
     name: Release
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-tags: true
       - name: Release

.github/workflows/release.yml

@@ -34,7 +34,7 @@ jobs:
     name: Release
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-tags: true
       - name: Release