Merge branch 'ec-docs-storage-requirements' into 'master'

docs - add NFS deprecation notice to storage requirements

See merge request gitlab-org/gitlab!65874

doc/install/requirements.md

@@ -70,6 +70,9 @@ NOTE:
 Since file system performance may affect the overall performance of GitLab,
 [we don't recommend using cloud-based file systems for storage](../administration/nfs.md#avoid-using-cloud-based-file-systems).
 
+NOTE:
+[NFS for Git repository storage is deprecated](https://about.gitlab.com/releases/2021/06/22/gitlab-14-0-released/#nfs-for-git-repository-storage-deprecated). See our official [Statement of Support](https://about.gitlab.com/support/statement-of-support.html#gitaly-and-nfs) for further information.
+
 ### CPU
 
 CPU requirements are dependent on the number of users and expected workload. Your exact needs may be more, depending on your workload. Your workload is influenced by factors such as - but not limited to - how active your users are, how much automation you use, mirroring, and repository/change size.