fix: remove invalid package-name input from release-please (#72)

release-please-action@v4 does not accept package-name as an input.
Also enabled GitHub Actions workflow permissions to create PRs.

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: dreamiurg

.github/workflows/release.yml

@@ -20,7 +20,6 @@ jobs:
         id: release
         with:
           release-type: python
-          package-name: peakbagger
 
   publish:
     needs: release-please