ci: update

Author: Beforerr

.github/dependabot.yml

@@ -5,3 +5,7 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
+  - package-ecosystem: "julia"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/CompatHelper.yml

@@ -7,19 +7,6 @@ on:
     inputs:
       lookback:
         default: "3"
-permissions:
-  actions: read
-  checks: read
-  contents: write
-  deployments: read
-  issues: read
-  discussions: read
-  packages: read
-  pages: read
-  pull-requests: read
-  repository-projects: read
-  security-events: read
-  statuses: read
 jobs:
   TagBot:
     if: github.event_name == 'workflow_dispatch' || github.actor == 'JuliaTagBot'