ci: drop specified secrets, rely on implicit GH token (#386)

Author: keithamus

.github/workflows/release.yml

@@ -27,7 +27,4 @@ jobs:
         run: npm i
 
       - name: Release
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
         run: npx semantic-release --branches=main --debug