Improvements

Rook v1.13.6 is a patch release limited in scope and focusing on feature additions and bug fixes to the Ceph operator.

• helm: Replace the master tag in the values.yaml with the release tag (#13897, @travisn)
• manifest: Reduce CRD size by removing some descriptions (#13793, @rkachach)
• csi: Update CSIDriverOption params during saving cluster config (#13836, @Rakshith-R)
• external: Remove requirement for v1 port and allow exclusive v2 mon port configuration (#13856, @parth-gr)
• csi: Update sidecars to latest release (#13846, @Madhu-1)
• operator: Use Linux container CPU quota (#13816, @uhthomas)
• helm: Fix links to obsolete ceph master documentation (#13877, @galexrt)