CI: use dependabot instead of gh action (#1364)

.github/dependabot.yml

@@ -5,3 +5,13 @@ updates:
     schedule:
       interval: "weekly"
     rebase-strategy: "auto"
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    rebase-strategy: "auto"
+  - package-ecosystem: "npm"
+    directory: "/src/"
+    schedule:
+      interval: "weekly"
+    rebase-strategy: "auto"

.github/workflows/npm-update-bot.yml

@@ -1,40 +0,0 @@
-name: NPM Update Bot 🤖
-
-on:
-  push:
-    branches: [ "master" ]
-  schedule:
-    - cron: "0 0 * * 1"
-
-jobs:
-  npmupbot:
-    name: NPM Update Bot 🤖
-    runs-on: ubuntu-latest
-    if: github.repository_owner == 'wg-easy'
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          repository: wg-easy/wg-easy
-          ref: master
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: 'lts/*'
-          check-latest: true
-          cache: 'npm'
-
-      - name: Bot 🤖 "Updating NPM Packages..."
-        run: |
-          npm install -g --silent npm-check-updates
-          ncu -u
-          npm update
-          cd src
-          ncu -u
-          npm update
-          npm run buildcss
-          git config --global user.name 'NPM Update Bot'
-          git config --global user.email '[email protected]'
-          git add .
-          git commit -am "npm: package updates" || true
-          git push