fix: a regex bug with escaping inside of character classes (#4575)

Also delete the broken docker weekly flow.

Signed-off-by: Roman Gershman <roman@dragonflydb.io>

.github/workflows/docker-weekly.yml

@@ -1,25 +0,0 @@
-name: weekly docker build
-
-on:
-  schedule:
-    # Monday midnight
-    - cron: '0 0 * * 1'
-  workflow_dispatch:
-
-permissions:
-  packages: write
-  contents: write
-  id-token: write
-
-jobs:
-  weekly-container-build:
-    uses: ./.github/workflows/reusable-container-workflow.yaml
-    with:
-      build_type: dev
-      tag: ${{ github.sha}}
-      tag_latest: true
-      image: ghcr.io/dragonflydb/dragonfly-weekly
-      registry: ghcr.io
-      registry_username: ${{ github.repository_owner }}
-    secrets:
-      registry_password: ${{ secrets.GITHUB_TOKEN }}