doc: mention encryption is not supported for static PVC

[iPraveenParihar]

Describe what this PR does

doc: mention encryption is not supported for static PVC
Closes: #6209

Checklist:

• Commit Message Formatting: Commit titles and messages follow guidelines in the developer guide.
• Reviewed the developer guide on Submitting a Pull Request
• Pending release notes updated with breaking and/or notable changes for the next major release.
• Documentation has been updated, if necessary.
• Unit tests have been added, if necessary.
• Integration tests have been added, if necessary.

---

Show available bot commands

These commands are normally not required, but in case of issues, leave any of
the following bot commands in an otherwise empty comment in this PR:

• /retest ci/centos/<job-name>: retest the <job-name> after unrelated
  failure (please report the failure too!)

[Madhu-1]

i think we also need to add a generic statement so that we dont need to keep this updated for all new features.

[iPraveenParihar]

Keeping the current one + I have added a statement in both RBD and CephFS section.
Let me know if that makes sense?

[Madhu-1]

same for RBD as well

[nixpanic]

Thanks!

[Madhu-1]

@Mergifyio rebase

[Madhu-1]

@Mergifyio queue

[mergify]

Deprecation notice: This pull request comes from a fork and was rebased using bot_account impersonation. This capability will be removed on July 1, 2026. After this date, the rebase action will no longer be able to rebase fork pull requests with this configuration. Please switch to the update action/command to ensure compatibility going forward.

[mergify]

rebase

✅ Branch has been successfully rebased

[mergify]

Deprecation notice: This pull request comes from a fork and was queued with update_method=rebase and update_bot_account impersonation. This capability will be removed on July 1, 2026. After this date, the merge queue will no longer be able to rebase fork pull requests with this configuration. To avoid disruption, switch to update_method=merge in your queue rule.

[mergify]

Merge Queue Status

• ✅ Entered queue — 2026-04-06 07:37 UTC · Rule: default
• ✅ Checks passed · in-place
• ✅ Merged — 2026-04-06 07:42 UTC · at 9052280354fd057b110e668a44d6a2b3f3e0fa31

This pull request spent 4 minutes 55 seconds in the queue, including 4 minutes 38 seconds running CI.

Required conditions to merge

• #approved-reviews-by >= 2 [🛡 GitHub branch protection]
  • doc: mention encryption is not supported for static PVC #6212
• #changes-requested-reviews-by = 0 [🛡 GitHub branch protection]
  • doc: mention encryption is not supported for static PVC #6212