upgrade to checkout v5

Author: alexlanz

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: aboutbits/github-actions-java/setup@v3
         with:
           java-version: 21

.github/workflows/publish.yml

@@ -16,7 +16,7 @@ jobs:
       contents: read
       packages: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           token: ${{ secrets.GH_PERSONAL_ACCESS_TOKEN }}
       - uses: aboutbits/github-actions-base/git-setup@v2