Use Ruby YAML library to serialize Ansible examples (#196)

<!-- This change is generated by MagicModules. -->
/cc @rambleraptor

plugins/modules/gcp_container_node_pool.py

@@ -221,25 +221,25 @@ extends_documentation_fragment: gcp
 EXAMPLES = '''
 - name: create a cluster
   gcp_container_cluster:
-      name: "cluster-nodepool"
-      initial_node_count: 4
-      location: us-central1-a
-      project: "{{ gcp_project }}"
-      auth_kind: "{{ gcp_cred_kind }}"
-      service_account_file: "{{ gcp_cred_file }}"
-      state: present
+    name: cluster-nodepool
+    initial_node_count: 4
+    location: us-central1-a
+    project: "{{ gcp_project }}"
+    auth_kind: "{{ gcp_cred_kind }}"
+    service_account_file: "{{ gcp_cred_file }}"
+    state: present
   register: cluster
 
 - name: create a node pool
   gcp_container_node_pool:
-      name: my-pool
-      initial_node_count: 4
-      cluster: "{{ cluster }}"
-      location: us-central1-a
-      project: "test_project"
-      auth_kind: "serviceaccount"
-      service_account_file: "/tmp/auth.pem"
-      state: present
+    name: my-pool
+    initial_node_count: 4
+    cluster: "{{ cluster }}"
+    location: us-central1-a
+    project: test_project
+    auth_kind: serviceaccount
+    service_account_file: "/tmp/auth.pem"
+    state: present
 '''
 
 RETURN = '''