ci: drop gitignored specs/openapi.json from release commit set

Author: ph33nx

.github/workflows/release.yml

@@ -115,7 +115,7 @@ jobs:
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           VERSION=$(node -p "require('./packages/ui/package.json').version")
-          git add packages/ packages/ui/dist packages/ui-react/dist registry/ specs/openapi.json README.md AGENTS.md
+          git add packages/ packages/ui/dist packages/ui-react/dist registry/ README.md AGENTS.md
           git commit -m "release: v$VERSION"
           git tag "v$VERSION"
           git push --follow-tags