Refactor service agent management (#2423)

* Service agents script

* Service agents update

* WIP

* Update script and terraform

* Fix tests

* Fix linter

* Update docs

* Bring back pf example inventory

* Fix tests

* Fix more tests

* Fix tests

* Use dataclasses for build_service_agents.py

* Remove unneeded field() from build_service_agents

* Re-enable CMEK depends_on in project outputs

* Update tools/requirements.txt

* Enable storage in GCS example projects

* Fix tests

* Add CMEK Service Agents dependencies for services

* Fix typos and data platform cmek

* More typos

blueprints/serverless/cloud-run-corporate/README.md

@@ -253,7 +253,7 @@ module "test" {
   prj_onprem_id = "onprem-project-id"
 }
 
-# tftest modules=15 resources=50
+# tftest modules=15 resources=58
 ```
 
 ```hcl
@@ -277,7 +277,7 @@ module "test" {
   tf_identity = "user@example.org"
 }
 
-# tftest modules=15 resources=36
+# tftest modules=15 resources=44
 ```
 
 ```hcl
@@ -296,5 +296,5 @@ module "test" {
   custom_domain = "cloud-run-corporate.example.org"
 }
 
-# tftest modules=14 resources=45
+# tftest modules=14 resources=57
 ```

blueprints/serverless/cloud-run-corporate/main.tf

@@ -1,5 +1,5 @@
 /**
- * Copyright 2023 Google LLC
+ * Copyright 2024 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -103,7 +103,7 @@ module "project_svc1" {
   parent          = try(var.prj_svc1_create.parent, null)
   shared_vpc_service_config = {
     host_project = module.project_main.project_id
-    service_identity_iam = {
+    service_agent_iam = {
       "roles/compute.networkUser" = [
         "vpcaccess"
       ],

blueprints/serverless/cloud-run-explore/README.md

@@ -223,5 +223,5 @@ module "test" {
   }
 }
 
-# tftest modules=4 resources=19
+# tftest modules=4 resources=22
 ```

blueprints/serverless/cloud-run-microservices/README.md

@@ -201,7 +201,7 @@ module "test" {
   }
 }
 
-# tftest modules=7 resources=22
+# tftest modules=7 resources=29
 ```
 
 ```hcl
@@ -225,5 +225,5 @@ module "test" {
   }
 }
 
-# tftest modules=10 resources=32
+# tftest modules=10 resources=42
 ```