Automatically merge dependabot PRs when they've passed tests

- Moving from the dependabot beta to the Github integrated one lost the ability to automerge, this should bring it back.

.github/workflows/label-actions.yml

@@ -0,0 +1,25 @@
+name: Label Actions
+on:
+  pull_request:
+    types:
+      - labeled
+  status: {}
+
+jobs:
+  autosquash:
+    if: github.event.label.name == 'autosquash'
+    name: Autosquash
+    runs-on: ubuntu-latest
+    steps:
+      - uses: tibdex/[email protected]
+        with:
+          github_token: ${{ secrets.BOT_GITHUB_KEY   }}
+  automerge-dependabot:
+    if: github.event.label.name == 'dependencies'
+    name: Automerge Dependabot PRs
+    runs-on: ubuntu-latest
+    steps:
+      - name: Dependabot Auto Merge
+        uses: ahmadnassri/[email protected]
+        with:
+          github_token: ${{ secrets.BOT_GITHUB_KEY   }}