ci: Update publishing token, correctly this time (#876)

Author: seb-cr

.github/workflows/main.yml

@@ -70,5 +70,5 @@ jobs:
       - name: Publish via Semantic Release
         run: yarn semantic-release
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_PUBLISHING_TOKEN }}
-          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_PUBLISHING_TOKEN }}