build(deps): bump ridedott/merge-me-action from v2.6.19 to v2.8.6

Author: dependabot[bot]

.github/workflows/auto-merge-dependabot.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - name: Merge me!
         if: ${{ github.event.workflow_run.conclusion == 'success' }}
-        uses: ridedott/merge-me-action@v2.6.19
+        uses: ridedott/merge-me-action@v2.8.6
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           PRESET: DEPENDABOT_MINOR