blacklist ruff and bandit from dependabot

Author: bmos

.github/dependabot.yml

@@ -5,12 +5,15 @@
 
 version: 2
 updates:
-  - package-ecosystem: "pip"
-    directory: "/"
+  - package-ecosystem: pip
+    directory: /
     schedule:
-      interval: "weekly"
+      interval: weekly
 
-  - package-ecosystem: "github-actions"
-    directory: "/"
+  - package-ecosystem: github-actions
+    directory: /
     schedule:
-      interval: "weekly"
+      interval: weekly
+    ignore:
+      - dependency-name: ruff
+      - dependency-name: bandit