ci: group dependabot updates (#201)

Author: sdn4z

.github/dependabot.yml

@@ -1,8 +1,3 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
 version: 2
 updates:
   - package-ecosystem: "pip"
@@ -12,9 +7,17 @@ updates:
       day: "monday"
     labels:
       - "dependencies"
+      - "ignore-for-release"
     commit-message:
       prefix: "chore"
     groups:
-      dependencies:
+      patch-updates:
         patterns:
-          - "*"
+          - "*"
+        update-types:
+          - "patch"
+      minor-updates:
+        patterns:
+          - "*"
+        update-types:
+          - "minor"