Bump actions/checkout from 4 to 5 (#267)

Author: dependabot[bot]

.github/workflows/auto_publish_release.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
 
     - name: Checkout repo
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         ref: ${{ env.MERGE_SHA }}
 

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
     name: ${{ matrix.os }} py-${{ matrix.python }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Python
         uses: actions/setup-python@v5

.github/workflows/create_release_pr.yml

@@ -21,7 +21,7 @@ jobs:
       uses: cylc/release-actions/stage-1/sanitize-inputs@v1
 
     - name: Checkout repo
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         ref: ${{ env.BASE_REF }}
 

.github/workflows/test.yml

@@ -43,7 +43,7 @@ jobs:
       PYTEST_ADDOPTS: -n 5 -m 'slow or not slow' --color=yes
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Python
         uses: actions/setup-python@v5
@@ -87,7 +87,7 @@ jobs:
     timeout-minutes: 2
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Download coverage artifacts
         uses: actions/download-artifact@v5

.github/workflows/update_copyright.yml

@@ -12,7 +12,7 @@ jobs:
     timeout-minutes: 10
     steps:
     - name: Checkout repo
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Configure git
       uses: cylc/release-actions/configure-git@v1