Fix links (#1559)

* Fix links

* Remove pnpm

guides/hosting/installation-updates/deployments/deployment-with-deployer.md

@@ -188,7 +188,7 @@ task('sw:health_checks', static function () {
 });
 ```
 
-> Before incorporating this step into your deployment process, make sure that you are well familiar with the [System Checks Concepts](/concepts/framework/system-check.md) and how to use and interpret the results [Custom usage](/guides/plugins/plugins/framework/system-check/index.md), and the command [error codes](/guides/plugins/plugins/framework/system-check/index.md#triggering-system-checks).
+> Before incorporating this step into your deployment process, make sure that you are well familiar with the [System Checks Concepts](../../../../concepts/framework/system-check.md) and how to use and interpret the results [Custom usage](../../../../guides/plugins/plugins/framework/system-check/index.md), and the command [error codes](../../../../guides/plugins/plugins/framework/system-check/index.md#triggering-system-checks).
 
 ### 9. Switching the document root