Add GraphQL docs for Terraform state mutations

https://gitlab.com/gitlab-org/gitlab/-/merge_requests/43955

doc/api/graphql/reference/gitlab_schema.graphql

@@ -12516,6 +12516,9 @@ type Mutation {
   removeProjectFromSecurityDashboard(input: RemoveProjectFromSecurityDashboardInput!): RemoveProjectFromSecurityDashboardPayload
   revertVulnerabilityToDetected(input: RevertVulnerabilityToDetectedInput!): RevertVulnerabilityToDetectedPayload @deprecated(reason: "Use vulnerabilityRevertToDetected. Deprecated in 13.5")
   runDastScan(input: RunDASTScanInput!): RunDASTScanPayload @deprecated(reason: "Use DastOnDemandScanCreate. Deprecated in 13.4")
+  terraformStateDelete(input: TerraformStateDeleteInput!): TerraformStateDeletePayload
+  terraformStateLock(input: TerraformStateLockInput!): TerraformStateLockPayload
+  terraformStateUnlock(input: TerraformStateUnlockInput!): TerraformStateUnlockPayload
   todoMarkDone(input: TodoMarkDoneInput!): TodoMarkDonePayload
   todoRestore(input: TodoRestoreInput!): TodoRestorePayload
   todoRestoreMany(input: TodoRestoreManyInput!): TodoRestoreManyPayload
@@ -18985,6 +18988,36 @@ type TerraformStateConnection {
   pageInfo: PageInfo!
 }
 
+"""
+Autogenerated input type of TerraformStateDelete
+"""
+input TerraformStateDeleteInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Global ID of the Terraform state
+  """
+  id: TerraformStateID!
+}
+
+"""
+Autogenerated return type of TerraformStateDelete
+"""
+type TerraformStateDeletePayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Errors encountered during execution of the mutation.
+  """
+  errors: [String!]!
+}
+
 """
 An edge in a connection.
 """
@@ -19000,6 +19033,71 @@ type TerraformStateEdge {
   node: TerraformState
 }
 
+"""
+Identifier of Terraform::State
+"""
+scalar TerraformStateID
+
+"""
+Autogenerated input type of TerraformStateLock
+"""
+input TerraformStateLockInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Global ID of the Terraform state
+  """
+  id: TerraformStateID!
+}
+
+"""
+Autogenerated return type of TerraformStateLock
+"""
+type TerraformStateLockPayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Errors encountered during execution of the mutation.
+  """
+  errors: [String!]!
+}
+
+"""
+Autogenerated input type of TerraformStateUnlock
+"""
+input TerraformStateUnlockInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Global ID of the Terraform state
+  """
+  id: TerraformStateID!
+}
+
+"""
+Autogenerated return type of TerraformStateUnlock
+"""
+type TerraformStateUnlockPayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Errors encountered during execution of the mutation.
+  """
+  errors: [String!]!
+}
+
 """
 Represents the Geo sync and verification state of a terraform state version
 """

doc/api/graphql/reference/index.md

@@ -2619,6 +2619,33 @@ Completion status of tasks.
 | `name` | String! | Name of the Terraform state |
 | `updatedAt` | Time! | Timestamp the Terraform state was updated |
 
+### TerraformStateDeletePayload
+
+Autogenerated return type of TerraformStateDelete.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `clientMutationId` | String | A unique identifier for the client performing the mutation. |
+| `errors` | String! => Array | Errors encountered during execution of the mutation. |
+
+### TerraformStateLockPayload
+
+Autogenerated return type of TerraformStateLock.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `clientMutationId` | String | A unique identifier for the client performing the mutation. |
+| `errors` | String! => Array | Errors encountered during execution of the mutation. |
+
+### TerraformStateUnlockPayload
+
+Autogenerated return type of TerraformStateUnlock.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `clientMutationId` | String | A unique identifier for the client performing the mutation. |
+| `errors` | String! => Array | Errors encountered during execution of the mutation. |
+
 ### TerraformStateVersionRegistry
 
 Represents the Geo sync and verification state of a terraform state version.