Rename network load balancer modules (#1466)

* update LB modules to new names

* update LB modules names

* update test paths

tests/modules/net_lb_app_int/https.tfvars

@@ -0,0 +1,22 @@
+/**
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+protocol = "HTTPS"
+ssl_certificates = {
+  certificate_ids = [
+    "projects/myprj/regions/europe-west1/sslCertificates/my-cert"
+  ]
+}