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

Author: renovate[bot]

.github/workflows/on_prerelease.yaml

@@ -14,7 +14,7 @@ jobs:
     name: Build and push consumer-producer image to use in our canaries
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           path: src/github.com/${{ env.ORIGINAL_REPO_NAME }}
       - uses: docker/setup-buildx-action@v3
@@ -42,7 +42,7 @@ jobs:
         working-directory: src/github.com/${{env.ORIGINAL_REPO_NAME}}
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
           path: src/github.com/${{env.ORIGINAL_REPO_NAME}}

.github/workflows/on_push_pr.yaml

@@ -29,7 +29,7 @@ jobs:
         working-directory: src/github.com/${{env.ORIGINAL_REPO_NAME}}
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
           path: src/github.com/${{env.ORIGINAL_REPO_NAME}}