website/docs: ensure yaml code blocks have language tags (#9240)

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

website/docs/troubleshooting/ldap_source.md

@@ -4,24 +4,24 @@ title: Troubleshooting LDAP Synchronization
 
 To troubleshoot LDAP sources, you can run the command below to run a synchronization in the foreground and see any errors or warnings that might happen directly
 
-```
+```shell
 docker compose run --rm worker ldap_sync *slug of the source*
 ```
 
 or, for Kubernetes, run
 
-```
+```shell
 kubectl exec -it deployment/authentik-worker -c authentik -- ak ldap_sync *slug of the source*
 ```
 
 Starting with authentik 2023.10, you can also run command below to explicitly check the connectivity to the configured LDAP Servers:
 
-```
+```shell
 docker compose run --rm worker ldap_check_connection *slug of the source*
 ```
 
 or, for Kubernetes, run
 
-```
+```shell
 kubectl exec -it deployment/authentik-worker -c authentik -- ak ldap_check_connection *slug of the source*
 ```