Update dependabot.yml

Stop updating github-actions
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index b76b895..daec318 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -4,7 +4,3 @@
     directory: "/"
     schedule:
       interval: "daily"
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"