Add TYPO3 CMS CLI_SCRIPT entrypoint for >= 8LTS as comment

The former CLI entrypoint for TYPO3 is deprecated since >=8LTS
and need to be adjusted.
Adding the new entrypoint as comment speeds up the configuration
for new TYPO3 CMS projects until we change the default path in future.

Author: josefglatz

etc/environment.yml

@@ -12,7 +12,10 @@
 # General
 WEB_DOCUMENT_ROOT=/app/web/
 WEB_DOCUMENT_INDEX=index.php
+# (TYPO3 CLI entrypoint < 8 LTS)
 CLI_SCRIPT=php /app/web/typo3/cli_dispatch.phpsh
+# (TYPO3 CLI entrypoint >= 8 LTS)
+#CLI_SCRIPT=php /app/web/typo3/sysext/core/bin/typo3
 
 #######################################
 # PHP settings