👷 ci: Automate GitHub release creation

.github/workflows/build.yml

@@ -96,3 +96,27 @@ jobs:
             dist/*.AppImage
             dist/*.deb
           if-no-files-found: error
+
+  release:
+    needs: build
+    if: startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v6
+        with:
+          path: dist
+          merge-multiple: true
+
+      - name: Create release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            dist/*.exe
+            dist/*.dmg
+            dist/*.AppImage
+            dist/*.deb
+          generate_release_notes: true