feat(tagmanager): update the API

#### tagmanager:v2

The following keys were added:
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.description
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.flatPath
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.httpMethod
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.id
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.parameterOrder
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.parameters.path.description
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.parameters.path.location
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.parameters.path.pattern
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.parameters.path.required
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.parameters.path.type
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.path
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.request.$ref
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.response.$ref
- resources.accounts.resources.containers.resources.workspaces.methods.bulk_update.scopes
- schemas.BulkUpdateWorkspaceResponse.id
- schemas.BulkUpdateWorkspaceResponse.properties.changes.description
- schemas.BulkUpdateWorkspaceResponse.properties.changes.items.$ref
- schemas.BulkUpdateWorkspaceResponse.properties.changes.type
- schemas.BulkUpdateWorkspaceResponse.type
- schemas.ProposedChange.id
- schemas.ProposedChange.properties.changes.description
- schemas.ProposedChange.properties.changes.items.$ref
- schemas.ProposedChange.properties.changes.type
- schemas.ProposedChange.type

Author: yoshi-automation

discovery/tagmanager-v2.json

@@ -1045,6 +1045,34 @@
             },
             "workspaces": {
               "methods": {
+                "bulk_update": {
+                  "description": "Applies multiple entity changes to a workspace in one call. When creating new entities, their entity IDs must be unique and in correct format. That is, they must start with \"new_\" and followed by number, e.g. \"new_1\", \"new_2\". Example body snippet to create myNewTag under myNewFolder is: ``` \"changes\": [ { \"folder\": { \"folderId\": \"new_1\", \"name\": \"myNewFolder\", ... }, \"changeStatus\": \"added\" }, { \"tag\": { \"tagId\": \"new_2\", \"name\": \"myNewTag\", \"parentFolderId\": \"new_1\", ... }, \"changeStatus\": \"added\" } ] ```",
+                  "flatPath": "tagmanager/v2/accounts/{accountsId}/containers/{containersId}/workspaces/{workspacesId}/bulk_update",
+                  "httpMethod": "POST",
+                  "id": "tagmanager.accounts.containers.workspaces.bulk_update",
+                  "parameterOrder": [
+                    "path"
+                  ],
+                  "parameters": {
+                    "path": {
+                      "description": "GTM Workspace's API relative path.",
+                      "location": "path",
+                      "pattern": "^accounts/[^/]+/containers/[^/]+/workspaces/[^/]+$",
+                      "required": true,
+                      "type": "string"
+                    }
+                  },
+                  "path": "tagmanager/v2/{+path}/bulk_update",
+                  "request": {
+                    "$ref": "ProposedChange"
+                  },
+                  "response": {
+                    "$ref": "BulkUpdateWorkspaceResponse"
+                  },
+                  "scopes": [
+                    "https://www.googleapis.com/auth/tagmanager.edit.containers"
+                  ]
+                },
                 "create": {
                   "description": "Creates a Workspace.",
                   "flatPath": "tagmanager/v2/accounts/{accountsId}/containers/{containersId}/workspaces",
@@ -3958,7 +3986,7 @@
       }
     }
   },
-  "revision": "20250820",
+  "revision": "20251203",
   "rootUrl": "https://tagmanager.googleapis.com/",
   "schemas": {
     "Account": {
@@ -4302,6 +4330,19 @@
       },
       "type": "object"
     },
+    "BulkUpdateWorkspaceResponse": {
+      "id": "BulkUpdateWorkspaceResponse",
+      "properties": {
+        "changes": {
+          "description": "The entities that were added or updated during the bulk-update. Does not include entities that were deleted or updated by the system.",
+          "items": {
+            "$ref": "Entity"
+          },
+          "type": "array"
+        }
+      },
+      "type": "object"
+    },
     "Client": {
       "id": "Client",
       "properties": {
@@ -5623,6 +5664,19 @@
       },
       "type": "object"
     },
+    "ProposedChange": {
+      "id": "ProposedChange",
+      "properties": {
+        "changes": {
+          "description": "The list of workspace changes to be applied.",
+          "items": {
+            "$ref": "Entity"
+          },
+          "type": "array"
+        }
+      },
+      "type": "object"
+    },
     "PublishContainerVersionResponse": {
       "description": "Publish container version response.",
       "id": "PublishContainerVersionResponse",