chore: approve Dependabot PRs before attempting to merge (#383)

Author: blgm

.github/workflows/dependabot-test.yml

@@ -13,14 +13,30 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
+      pull-requests: write
     if: ${{ github.actor == 'dependabot[bot]' }}
     steps:
+      - name: Approve
+        uses: actions/github-script@v8
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            var pr_number = ${{ inputs.pr_number }}
+
+            await github.rest.pulls.createReview({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: pr_number,
+              event: "APPROVE"
+            })
+
       - name: Merge
         uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
             var pr_number = ${{ inputs.pr_number }}
+
             github.rest.pulls.merge({
               owner: context.repo.owner,
               repo: context.repo.repo,