feat: Add workflow to update Contributoor dependency

.github/workflows/update-contributoor.yml

@@ -0,0 +1,54 @@
+name: Update Contributoor
+
+on:
+  repository_dispatch:
+    types: [update-contributoor]
+
+permissions:
+  contents: write
+
+jobs:
+  update-and-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: ./.github/workflows/go-setup
+
+      - name: Update contributoor dependency
+        run: |
+          go get github.com/ethpandaops/contributoor@${{ github.event.client_payload.version }}
+          go mod tidy
+
+      - name: Create Pull Request
+        id: cpr
+        uses: peter-evans/create-pull-request@v7
+        with:
+          commit-message: "chore: update contributoor to ${{ github.event.client_payload.version }}"
+          title: "chore: update contributoor to ${{ github.event.client_payload.version }}"
+          branch: update-contributoor-${{ github.event.client_payload.version }}
+          delete-branch: true
+          labels: dependencies
+          body: |
+            Updates contributoor to ${{ github.event.client_payload.version }}
+            
+            This PR was automatically created by the contributoor release workflow.
+
+      - name: Auto-merge if tests pass
+        if: steps.cpr.outputs.pull-request-operation == 'created'
+        run: gh pr merge --auto --merge "${{ steps.cpr.outputs.pull-request-url }}"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create Release
+        if: steps.cpr.outputs.pull-request-operation == 'created'
+        run: |
+          # Extract contributoor version without 'v' prefix
+          VERSION="${{ github.event.client_payload.version }}"
+          
+          # Create and push tag
+          git tag "${VERSION}"
+          git push origin "${VERSION}"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}