Run npm install task

.ci/azure-pipelines-api-client.yml

@@ -28,6 +28,12 @@ jobs:
       inputs:
         script: "wget https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/${{ parameters.GeneratorVersion }}/openapi-generator-cli-${{ parameters.GeneratorVersion }}.jar -O openapi-generator-cli.jar"
 
+    - task: Npm@1
+      displayName: 'Install npm dependencies'
+      inputs:
+        command: install
+        workingDir: ./apiclient/generated/typescript/axios
+
 # Generate npm api client
 # Unstable
     - task: CmdLine@2