Updating block-merge-eol.yml workflow from template

Signed-off-by: DorraJaouad <dorra.jaoued7@gmail.com>

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

@@ -2,6 +2,9 @@
 #
 # https://github.com/nextcloud/.github
 # https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
+#
+# SPDX-FileCopyrightText: 2022-2024 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: MIT
 
 name: Block merges for EOL
 
@@ -34,4 +37,4 @@ jobs:
 
       - name: Checking if ${{ env.server_major }} is EOL
         run: |
-          php -r 'echo json_encode(require_once "config.php");' | jq --arg version "${{ env.server_major }}" '.stable[$version]["100"].eol // .beta[$version]["100"].eol' | grep --silent -i 'false'
+          php -r 'echo json_encode(require_once "config.php");' | jq --arg version "${{ env.server_major }}" '.stable[$version]["100"].eol // .beta[$version]["100"].eol // "NotEOL"' | grep -q "NotEOL"