Add changelog entry for 13736

CHANGELOG.md

@@ -21,6 +21,7 @@ IMPROVEMENTS:
 * core/ha: Add new mechanism for keeping track of peers talking to active node, and new 'operator members' command to view them. [[GH-13292](https://github.com/hashicorp/vault/pull/13292)]
 * core/identity: Support updating an alias' `custom_metadata` to be empty. [[GH-13395](https://github.com/hashicorp/vault/pull/13395)]
 * core/pki: Support Y10K value in notAfter field to be compliant with IEEE 802.1AR-2018 standard [[GH-12795](https://github.com/hashicorp/vault/pull/12795)]
+* core/pki: Support Y10K value in notAfter field when signing non-CA certificates [[GH-13736](https://github.com/hashicorp/vault/pull/13736)]
 * core: Periodically test the health of connectivity to auto-seal backends [[GH-13078](https://github.com/hashicorp/vault/pull/13078)]
 * core: Reading `sys/mounts/:path` now returns the configuration for the secret engine at the given path [[GH-12792](https://github.com/hashicorp/vault/pull/12792)]
 * core: Replace "master key" terminology with "root key" [[GH-13324](https://github.com/hashicorp/vault/pull/13324)]