update dependabot, add auto merge

.github/dependabot.yml

@@ -37,6 +37,14 @@ updates:
       OpenTelemetry:
         patterns:
           - "OpenTelemetry.*"
+      Serilog:
+        patterns:
+          - "Serilog"
+          - "Serilog.*"
+      Hangfire:
+        patterns:
+          - "Hangfire"
+          - "Hangfire.*"
       Testcontainers:
         patterns:
           - "Testcontainers.*"

.github/workflows/merge.yml

@@ -0,0 +1,24 @@
+name: Dependabot Auto-Merge
+on: pull_request
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+
+    steps:
+      - name: Dependabot Metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v2
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Dependabot Auto-Merge PRs
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}