pio-[build|release].yaml: bump actions/checkout to v4

Author: dingo35

.github/workflows/pio-build.yaml

@@ -50,7 +50,7 @@ jobs:
                     echo "version=${{ inputs.major }}.${{ inputs.minor }}.${{ inputs.patch }}-${{ inputs.prerelease }}" >> $GITHUB_OUTPUT
                  fi
               fi
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Cache pip
         uses: actions/cache@v3
         with:

.github/workflows/pio-release.yaml

@@ -33,7 +33,7 @@ jobs:
       - name: Get current tag
         id: tag
         run: echo "tag=${GITHUB_REF##*/}" >> $GITHUB_OUTPUT
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/download-artifact@v3
         id: download
         with: