ci: Add fetch-depth: 0 as a workaround get tags on checkout

We should not be required to add this, but fetch-tags: true seems broken.
See actions/checkout#1781 for a second opinion,
and possible resolution.

.github/workflows/ci.yaml

@@ -23,6 +23,9 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-tags: true
+          # XXX: fetch-depth: 0 should not be required. But this seems to be an issue
+          # with the checkout action: https://github.com/actions/checkout/issues/1781
+          fetch-depth: 0
 
       - name: Git Describe
         run: |