ci: Fix EOL check

Signed-off-by: Joas Schilling <[email protected]>

[skip ci]

Author: nickvergessen

.github/workflows/block-merge-eol.yml

@@ -23,14 +23,12 @@ jobs:
     runs-on: ubuntu-latest-low
 
     steps:
-      - name: Download updater config
-        run: curl https://raw.githubusercontent.com/nextcloud/updater_server/production/config/config.php --output config.php
-
       - name: Set server major version environment
         run: |
           # retrieve version number from branch reference
           server_major=$(echo "${{ github.base_ref }}" | sed -En 's/stable//p')
           echo "server_major=$server_major" >> $GITHUB_ENV
+          echo "current_month=$(date +%Y-%m)" >> $GITHUB_ENV
 
       - name: Checking if ${{ env.server_major }} is EOL
         run: |