Bump actions/checkout from 5.0.1 to 6.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.1 to 6.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v5.0.1...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/on_call_build_site.yaml

@@ -17,7 +17,7 @@ jobs:
       DOCKER_BUILDKIT: 1
       COMPOSE_DOCKER_CLI_BUILD: 1
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3

.github/workflows/on_call_staging_test.yaml

@@ -12,7 +12,7 @@ jobs:
       DOCKER_BUILDKIT: 1
       COMPOSE_DOCKER_CLI_BUILD: 1
     steps:
-      - uses: actions/checkout@v5.0.1
+      - uses: actions/checkout@v6.0.0
       - name: Fetch site artifact
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:

.github/workflows/on_pr_lint.yaml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
 
       - name: Check Changes
         id: changed-env
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Lint Code Base
         continue-on-error: true

.github/workflows/on_pr_test.yaml

@@ -37,7 +37,7 @@ jobs:
     outputs:
       changed: ${{ steps.changes.outputs.any_changed }}
     steps:
-      - uses: actions/checkout@v5.0.1
+      - uses: actions/checkout@v6.0.0
 
       - name: Check for base image related changes
         # tj-actions/changed-files v44.5.7

.github/workflows/on_push_to_master_test_and_deploy.yaml

@@ -85,7 +85,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-      - uses: actions/checkout@v5.0.1
+      - uses: actions/checkout@v6.0.0
 
       - name: Check for workflow changes
         uses: tj-actions/changed-files@24d32ffd492484c1d75e0c0b894501ddb9d30d62 # v47.0.0
@@ -96,7 +96,7 @@ jobs:
 
       # see https://github.com/mcdeck/netlify-cms-oauth-provider-php
       - name: Checkout the netlify-cms-oauth-provider-php
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           repository: mcdeck/netlify-cms-oauth-provider-php
           path: netlify-cms-oauth-provider-php