build(deps): bump dependabot/fetch-metadata from 1 to 2 (#50)

Author: dependabot[bot]

.github/workflows/automerge.yml

@@ -18,7 +18,7 @@ jobs:
       # will not occur.
       - name: Dependabot metadata
         id: dependabot-metadata
-        uses: dependabot/fetch-metadata@v1
+        uses: dependabot/fetch-metadata@v2
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"