Update dependabot groups (#274)

Author: kevinwcyu

.github/dependabot.yml

@@ -19,6 +19,18 @@ updates:
           - '@grafana/runtime'
           - '@grafana/schema'
           - '@grafana/ui'
+      npm-patch-dev-dependencies:
+        dependency-type: 'development'
+        patterns:
+          - '*'
+        update-types:
+          - 'patch'
+      npm-minor-dev-dependencies:
+        dependency-type: 'development'
+        patterns:
+          - '*'
+        update-types:
+          - 'minor'
     # Ignore dependencies that need to be updated manually for compatibility reasons
     ignore:
       # Keep @types/node in sync with the node version in .nvmrc