Improve dependabot config

Author: daanrijpkemacb

.github/dependabot.yaml

@@ -5,3 +5,16 @@ updates:
     schedule:
       interval: "weekly"
     open-pull-requests-limit: 10
+    versioning-strategy: increase-if-necessary
+    labels:
+      - "dependencies"
+    groups:
+      minor-and-patch:
+        patterns:
+          - "*"
+        update-types:
+          - "minor"
+          - "patch"
+    ignore:
+      - dependency-name: "php"
+        versions: ["<8.0"]