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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
         python-version: ['3.12']
         django-version: ['4.2', '5.2']
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with:

.github/workflows/create_credentials_requirements_pr.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       # Clone edx/credentials
       - name: clone credentials
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: 'edx/credentials'
           token: ${{ secrets.REQUIREMENTS_BOT_GITHUB_TOKEN }}

.github/workflows/create_tag_on_merge_to_master.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # Clone repo with user's token. If we use GITHUB_TOKEN, it won't trigger further automation.
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           token: ${{ secrets.REQUIREMENTS_BOT_GITHUB_TOKEN }}
 

.github/workflows/patch_version_on_requirements_update.yml

@@ -14,7 +14,7 @@ jobs:
     if: startsWith( github.head_ref, 'jenkins/upgrade-python-requirements' )
     steps:
       # Clone repo
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.REQUIREMENTS_BOT_GITHUB_TOKEN }}