Update regen-clients.yml

.github/workflows/regen-clients.yml

@@ -36,7 +36,7 @@ jobs:
       run: kiota generate -l Java -c PostsClient -n kiotaposts.client -d ../posts-api.yml -o ./app/src/main/java/kiotaposts/client --co
     - name: Regenerate PHP quickstart
       working-directory: get-started/quickstart/php
-      run: kiota generate -l PHP -c PostsApiClient -n KiotaPosts\Client -d ../posts-api.yml -o ./client --co
+      run: kiota generate -l PHP -c PostsApiClient -n KiotaPosts\\Client -d ../posts-api.yml -o ./client --co
     - name: Regenerate Python quickstart
       working-directory: get-started/quickstart/python
       run: kiota generate -l Python -c PostsClient -n client -d ../posts-api.yml -o ./client --co
@@ -59,7 +59,7 @@ jobs:
       run: kiota generate -l Java -c GetUserApiClient -n getuserclient.apiclient -d ../get-me.yml -o ./app/src/main/java/getuserclient/apiclient --co
     - name: Regenerate PHP Azure auth app
       working-directory: get-started/azure-auth/php
-      run: kiota generate -l PHP -c GraphApiClient -n GetUser\Client -d ../get-me.yml -o ./client --co
+      run: kiota generate -l PHP -c GraphApiClient -n GetUser\\Client -d ../get-me.yml -o ./client --co
     - name: Regenerate Python Azure auth app
       working-directory: get-started/azure-auth/python
       run: kiota generate -l Python -c GetUserApiClient -n client -d ../get-me.yml -o ./client --co