Update dependabot.yml

Update dependencies with security updates only

Author: PaulTaykalo

.github/dependabot.yml

@@ -9,7 +9,14 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+    allow:
+      - dependency-type: "direct"
+    security-updates-only: true
+
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
+    allow:
+      - dependency-type: "direct"
+    security-updates-only: true