Use actions/checkout v5 DEVOPS-2662

Author: dcrossleyau

.github/workflows/build-pazpar2.yaml

@@ -5,11 +5,11 @@ jobs:
  build:
   runs-on: ubuntu-latest
   steps:
-   - uses: actions/checkout@v4
+   - uses: actions/checkout@v5
      with:
       fetch-depth: 1
    - name: clone yaz
-     uses: actions/checkout@v4
+     uses: actions/checkout@v5
      with:
       repository: indexdata/yaz
       path: yaz