Merge branch 'ntepluhina-enable-caching-by-defaukt' into 'master'

Enabled frontend caching feature flag by default

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/182236



Merged-by: Phil Hughes <me@iamphill.com>
Approved-by: Phil Hughes <me@iamphill.com>
Co-authored-by: ntepluhina <ntepluhina@gitlab.com>

config/feature_flags/development/frontend_caching.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/386275
 milestone: '15.7'
 type: development
 group: group::project management
-default_enabled: false
+default_enabled: true