fix(dependabot): use default token for fetch-metadata only

Author: andreynering

.github/workflows/build.yml

@@ -82,7 +82,7 @@ jobs:
       - id: metadata
         uses: dependabot/fetch-metadata@08eff52bf64351f401fb50d4972fa95b9f2c2d1b # v2.4.0
         with:
-          github-token: "${{ secrets.gh_pat }}"
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
       - run: |
           gh pr review --approve "$PR_URL"
           gh pr merge --squash --auto "$PR_URL"