Add dependabot

.dependabot/config.yaml

@@ -0,0 +1,9 @@
+---
+version: 1
+update_configs:
+  - package_manager: python
+    directory: /
+    update_schedule: live
+    automerged_updates:
+      - match:
+          update_type: all

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

@@ -0,0 +1,21 @@
+---
+name: Auto merge Dependabot updates
+
+on:
+  check_suite:
+    types:
+      - completed
+  pull_request:
+    types:
+      - opened
+
+jobs:
+  auto-merge:
+    name: Auto merge
+    runs-on: ubuntu-20.04
+    timeout-minutes: 5
+    steps:
+      - name: Auto merge
+        uses: ridedott/dependabot-auto-merge-action@master
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

ci/config.yaml

@@ -1,20 +1,6 @@
 checks:
   versions: False
-  isort:
-    ignore_patterns_re:
-      - .*/\.vim/.*
-  black:
-    ignore_patterns_re:
-      - .*/\.vim/.*
-  codespell:
-    ignore_re:
-      - .*\.yaml
-      - .*\.desktop
-      - .*/\.vim/.*
-      - apt-to-snap\.home
-      - list-manual-package-wrk38
   required_workflows:
     backport.yaml: False
-    dependabot-auto-merge.yaml: False
     clean.yaml: False
     audit.yaml: False