Use cds up in multitenancy guide (#1803)

Author: swaldmann

guides/multitenancy/index.md

@@ -751,33 +751,15 @@ Add the following snippet to your _xs-security.json_ and adapt it to the landsca
 
 [Learn more about configured BTP services for SaaS applications.](#behind-the-scenes){.learn-more}
 
-[Freeze the `npm` dependencies](../deployment/to-cf#freeze-dependencies) for server and MTX sidecar.
-
-```sh
-npm update --package-lock-only
-npm update --package-lock-only --prefix mtx/sidecar
-```
-
-In addition, you need install and freeze dependencies for your UI applications:
-```sh
-npm i --prefix app/browse
-npm i --prefix app/admin-books
-```
-
-**Build and deploy**:
 
 ::: code-group
 
 ```sh [Cloud Foundry]
-mbt build -t gen --mtar mta.tar
-cf deploy gen/mta.tar
+cds up
 ```
 
 ```sh [Kyma]
-# Omit `--push` flag for testing, otherwise `ctz`
-# will push images to the specified repository
-ctz containerize.yaml --push
-helm upgrade --install bookshop ./chart
+cds up --to k8s
 ```
 
 :::
@@ -1049,10 +1031,11 @@ The Boolean values in the _mtx/sidecar/package.json_ activate the default config
 
 ### Additional Services
 
-If your CAP Java application uses a service that isn't supported out of the box, you can add a custom dependency by providing a custom handler. Refer to [Define Dependent Services](../../java/multitenancy#define-dependent-services) for details.
+In **CAP Java**, if your application uses a service that isn't supported out of the box, you can define dependencies by providing a custom handler.
 
+[Learn more about defining dependent services](../../java/multitenancy#define-dependent-services){.learn-more}
 
-In Node.js, you can use the `subscriptionDependency` setting to provide a dependency configuration similar to the standard configuration shown before. Use your application's or CAP plugin's _package.json_:
+In **CAP Node.js**, you can use a custom `subscriptionDependency` entry in your application's or CAP plugin's _package.json_:
 
 ```json [package.json]
 "cds": {
@@ -1068,7 +1051,6 @@ In Node.js, you can use the `subscriptionDependency` setting to provide a depend
 
 Alternatively, overriding the [`dependencies`](./mtxs#get-dependencies) handler gives you full flexibility for any custom implementation.
 
-
 <div id="subscriptiondashboard" />
 
 ## Add Custom Handlers