ci: Update publishing token (#875)

* Use `NPM_PUBLISHING_TOKEN` to publish

* Remove tokens from `yarn install` step

Author: seb-cr

.github/workflows/main.yml

@@ -66,12 +66,9 @@ jobs:
 
       - name: Build and publish release.
         run: yarn install
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
 
       - name: Publish via Semantic Release
         run: yarn semantic-release
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_PUBLISHING_TOKEN }}
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}