Name GitHub releases 'Release X.Y' instead of 'vX.Y'

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: egli

.github/workflows/release.yml

@@ -48,7 +48,8 @@ jobs:
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
+          VERSION="${{ github.ref_name }}"
           gh release create "${{ github.ref_name }}" \
-            --title "${{ github.ref_name }}" \
+            --title "Release ${VERSION#v}" \
             --generate-notes \
             target/dtbook2sbsform_*.deb