chore: fully switch to Dependabot

.github/workflows/update-dependencies.yml

@@ -1,42 +0,0 @@
-name: Update dependencies
-
-on:
-    workflow_dispatch:
-    schedule:
-        - cron: '0 0 * * 0'
-
-permissions:
-    contents: write
-    pull-requests: write
-
-jobs:
-    update-dependencies:
-        if: github.repository == 'Koenkk/zigbee2mqtt'
-        runs-on: ubuntu-latest
-        steps:
-            - uses: actions/checkout@v4
-              with:
-                  ref: dev
-                  token: ${{ secrets.GH_TOKEN }}
-            - uses: pnpm/action-setup@v4
-            - uses: actions/setup-node@v4
-              with:
-                  node-version: 22
-                  cache: pnpm
-            - run: |
-                  # Disable for now as pnpm updates through corepack
-                  # don't work well yet for bare-metal installations.
-                  # pnpm self-update
-                  pnpm up --latest
-            - uses: peter-evans/create-pull-request@v7
-              id: cpr
-              with:
-                  commit-message: 'fix(ignore): update dependencies'
-                  branch: 'deps/all'
-                  title: 'fix(ignore): update dependencies'
-                  token: ${{ secrets.GH_TOKEN }}
-            - uses: peter-evans/create-or-update-comment@v4
-              if: ${{ steps.cpr.outputs.pull-request-number }}
-              with:
-                  issue-number: ${{ steps.cpr.outputs.pull-request-number }}
-                  body: 'CC: @Koenkk'