ci(dependabot): groups + widen strategy

Author: tekumara

.github/dependabot.yml

@@ -4,9 +4,19 @@ updates:
   directory: "/"
   schedule:
     interval: "monthly"
-  open-pull-requests-limit: 1
+  groups:
+    pip:
+      applies-to: version-updates
+      patterns:
+        - "*"
+  # use increase rather otherwise widen is chosen
+  versioning-strategy: increase
 - package-ecosystem: "npm"
   directory: "/"
   schedule:
     interval: "monthly"
-  open-pull-requests-limit: 1
+  groups:
+    pyright:
+      applies-to: version-updates
+      patterns:
+        - "*"