ci(dependabot): add ecosystem for security handling

Author: flitzpiepe93

.github/dependabot.yml

@@ -3,12 +3,24 @@ updates:
   - package-ecosystem: "uv"
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "daily"
     allow:
-      - dependency-type: "development"
+      - dependency-type: "production"
+    security-updates: true
     commit-message:
-      prefix: "chore"
+      prefix: "fix"
       include: "scope"
     labels:
-      - "dependencies"
+      - "security"
     open-pull-requests-limit: 5
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    commit-message:
+      prefix: "chore"
+      include: "scope"
+    labels:
+      - "ci"
+