Remove the 3.10 workflow for CA Cert updates

.github/workflows/cacert-update.yml

@@ -1,49 +0,0 @@
-name: Cron to update Mozilla CA cert files in the Joomla Core
-
-on:
-  workflow_dispatch:
-  schedule:
-    # * is a special character in YAML so you have to quote this string
-    # Runs on the first day of every month at 03:00
-    - cron:  '0 3 1 * *'
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-    permissions:
-      contents: write  # for peter-evans/create-pull-request to create branch
-      pull-requests: write  # for peter-evans/create-pull-request to create a PR
-    if: (github.event_name == 'schedule' && github.repository == 'joomla/joomla-cms') || (github.event_name != 'schedule')
-
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          ref: 3.10-dev
-
-      - name: Download the latest CA cert file
-        uses: wei/wget@v1
-        with:
-          args: -O libraries/src/Http/Transport/cacert.pem https://curl.se/ca/cacert.pem
-
-      - name: Copy the CA cert file to the FOF repo
-        run: cp "libraries/src/Http/Transport/cacert.pem" "libraries/fof/download/adapter/cacert.pem"
-
-      - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v4
-        id: cpr
-        with:
-          branch: mozilla_ca_update
-          commit-message: Update CA cert file
-          title: 'Automated CA cert file update'
-          body: |
-            Update report
-            - Cron to update Mozilla CA cert files in the Joomla Core
-
-      - name: Log resulting Pull Request
-        run: |
-          echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
-          echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"