Description of problem:

When testing JBCS we discover that DeflateAlterETag directive is missing in rhel9,

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Add DeflateAlterETag AddSuffix in httpd.conf
2. start httpd

Actual results:

AH00526: Syntax error on line xxx of path/conf/httpd.conf:
Invalid command 'DeflateAlterETag', perhaps misspelled or defined by a module not included in the server configuration

Expected results:

DeflateAlterETag working as in JBCS previous version.

Additional info:

See https://issues.redhat.com/browse/JBCS-255