backport of commit 6cf885f (hashicorp#28393)

Co-authored-by: Steven Clark <[email protected]>

changelog/28237.txt

@@ -1,3 +1,3 @@
-```release-note:feature
-**Set KeyUsage on PKI-CAs**: Key Usage can now be set on intermediate and root CAs, and CSRs generated by the PKI secret's engine.
+```release-note:improvement
+secrets/pki: Key Usage can now be set on intermediate and root CAs, and CSRs generated by the PKI secret's engine.
 ```