ci: add dependabot configuration

Author: johan-gorter

.github/dependabot.yml

@@ -0,0 +1,40 @@
+version: 2
+updates:
+  # Enable version updates for npm
+  - package-ecosystem: 'npm'
+    directory: '/'
+    schedule:
+      interval: 'weekly'
+      day: 'monday'
+      time: '04:00'
+    open-pull-requests-limit: 1
+    groups:
+      npm-dependencies:
+        patterns:
+          - '*'
+        update-types:
+          - 'minor'
+          - 'patch'
+    reviewers:
+      - 'johan-gorter'
+    commit-message:
+      prefix: 'deps'
+      include: 'scope'
+
+  # Enable version updates for GitHub Actions
+  - package-ecosystem: 'github-actions'
+    directory: '/'
+    schedule:
+      interval: 'weekly'
+      day: 'monday'
+      time: '04:00'
+    open-pull-requests-limit: 1
+    groups:
+      github-actions:
+        patterns:
+          - '*'
+    reviewers:
+      - 'johan-gorter'
+    commit-message:
+      prefix: 'ci'
+      include: 'scope'