chore: Removed dependabot action

.github/dependabot.yml

@@ -1,47 +0,0 @@
-version: 2
-updates:
-
-  # Maintain dependencies for GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    target-branch: "staging"
-    schedule:
-      interval: "weekly"
-      day: "friday"
-      time: "12:00"
-
-  # Maintain dependencies for backend npm
-  - package-ecosystem: "npm"
-    directory: "/backend"
-    target-branch: "staging"
-    schedule:
-      interval: "weekly"
-      day: "friday"
-      time: "12:00"
-
-  # Maintain dependencies for backend docker
-  - package-ecosystem: "docker"
-    directory: "/backend"
-    target-branch: "staging"
-    schedule:
-      interval: "weekly"
-      day: "friday"
-      time: "12:00"
-
-  # Maintain dependencies for frontend npm
-  - package-ecosystem: "npm"
-    directory: "/frontend"
-    target-branch: "staging"
-    schedule:
-      interval: "weekly"
-      day: "friday"
-      time: "12:00"
-
-  # Maintain dependencies for frontend docker
-  - package-ecosystem: "docker"
-    directory: "/frontend"
-    target-branch: "staging"
-    schedule:
-      interval: "weekly"
-      day: "friday"
-      time: "12:00"