Fix command path for rotating LDAP root credentials (#876)

Co-authored-by: nickfrei <nicholas.frei@hashicorp.com>

Author: schavis

content/vault/v1.19.x/content/docs/auth/ldap.mdx

@@ -185,7 +185,7 @@ The root bindpass can be rotated to a Vault-generated value that is not accessib
 This will ensure that only Vault is able to access the "root" user that Vault uses to manipulate credentials.
 
 ```shell-session
-vault write -f auth/ldap/rotate-root
+vault write -f auth/ldap/config/rotate-root
 ```
 
 ### Schedule-based root credential rotation

content/vault/v1.20.x/content/docs/auth/ldap.mdx

@@ -195,7 +195,7 @@ The root bindpass can be rotated to a Vault-generated value that is not accessib
 This will ensure that only Vault is able to access the "root" user that Vault uses to manipulate credentials.
 
 ```shell-session
-vault write -f auth/ldap/rotate-root
+vault write -f auth/ldap/config/rotate-root
 ```
 
 ### Schedule-based root credential rotation