Drop _auto/bulk-update.py script (endoflife-date#4497)

Bulk-updating products is now possible using endoflife-date/release-data#281.

.github/dependabot.yml

@@ -22,8 +22,3 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
-
-  - package-ecosystem: "pip"
-    directory: "/"
-    schedule:
-      interval: "daily"

.github/workflows/auto-merge-release-updates.yml

@@ -32,19 +32,19 @@ jobs:
         run: pip install -r '_data/release-data/requirements.txt'
 
       - id: latest
-        name: Update latest releases
+        name: Auto-update products
         run: python '_data/release-data/latest.py' -p 'products/' -d '_data/release-data/releases'
 
-      - name: Update latest and latestReleaseDate
+      - name: Commit changes
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
           file_pattern: products/*
           commit_message: "🤖: Update latest release data"
           status_options: '--untracked-files=no'
           commit_author: 'github-actions[bot] <github-actions[bot]@users.noreply.github.com>'
 
-      - name: Enable auto-merge for Dependabot PRs for release data
-        if: ${{contains(steps.metadata.outputs.dependency-names, '_data/release-data')}}
+      - name: Create PR
+        if: ${{ contains(steps.metadata.outputs.dependency-names, '_data/release-data') }}
         run: gh pr merge --auto --rebase "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}