Group pip updates pull-requests and add GH Actions updates (#938)

* Group pip updates pull-requests and add GH Actions updates

* Switch to weekly, as suggested by @alexcottner

Author: leplatrem

.github/dependabot.yml

@@ -3,8 +3,15 @@ updates:
   - package-ecosystem: "pip"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
+    groups:
+      minor-patch:
+        update-types: ["minor", "patch"]
   - package-ecosystem: "docker"
     directory: "/"
     schedule:
       interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"