Fetch all commits in case a package is skipped

Otherwise, git describe will fail because we don't have tags.

.github/workflows/test-n-publish.yml

@@ -34,6 +34,7 @@ jobs:
         repository: 'spine-tools/${{ matrix.pkg }}'
         path: ${{ matrix.pkg }}
         ref: ${{ inputs[matrix.pkg] != 'skip' && inputs[matrix.pkg] || 'master' }}
+        fetch-depth: ${{ inputs[matrix.pkg] != 'skip' && 1 || 0 }}
     - name: Ensure Git checkout is not dirty
       run: cd ${{ matrix.pkg }} && git describe --tags --dirty | grep -vE '[-]dirty$'
     - name: Ensure Git checkout does not have additional commits