refactor: 🔧 include github-actions in dependabot config (#136)

# Description

This PR updates the dependabot configs to match the other template
packages.

Closes #111

This PR needs a quick review.

## Checklist

- [x] Added or updated tests
- [x] Updated documentation
- [x] Ran `just run-all`

Author: martonvago

.github/dependabot.yml

@@ -3,7 +3,7 @@ updates:
   - package-ecosystem: github-actions
     directory: /
     schedule:
-      interval: monthly
+      interval: weekly
     commit-message:
       prefix: ci
       include: scope

template/.github/dependabot.yml

@@ -1,10 +1,17 @@
 version: 2
 updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly
+    commit-message:
+      prefix: ci
+      include: scope
+
   - package-ecosystem: uv
     directory: /
     schedule:
       interval: monthly
-    versioning-strategy: increase-if-necessary
     commit-message:
       prefix: build
       include: scope