ci(automerge): move dep updates automerge to sep workflow

.github/workflows/automerge.yml

@@ -0,0 +1,18 @@
+name: Automerge Dependabot Pull Requests
+
+on:
+    workflow_run:
+        workflows: ["CI"]
+        types: [completed]
+
+jobs:
+    on-success:
+        if: |
+            github.event.pull_request.draft == false && 
+            github.event.workflow_run.conclusion == 'success'
+        needs: [commit-lint, lint, unit-tests]
+        runs-on: ubuntu-latest
+        steps:
+            - uses: tjenkinson/gh-action-auto-merge-dependency-updates@v1
+              with:
+                  allowed-actors: dependabot[bot]

.github/workflows/ci.yml

@@ -77,13 +77,3 @@ jobs:
               with:
                   github-token: ${{ secrets.GITHUB_TOKEN }}
                   parallel-finished: true
-
-    automerge:
-        name: Automatically Merge Dependabot Pull Requests
-        if: github.event.pull_request.draft == false
-        needs: [commit-lint, lint, unit-tests]
-        runs-on: ubuntu-latest
-        steps:
-            - uses: tjenkinson/gh-action-auto-merge-dependency-updates@v1
-              with:
-                  allowed-actors: dependabot[bot]