feat: [infra-manager] Infrastructure manager supports 1.2.3, 1.3.10, 1.4.7, 1.5.7 versions of Terraform when creating a preview of a deployment

packages/google-cloud-config/protos/google/cloud/config/v1/config.proto

@@ -511,6 +511,12 @@ message Deployment {
   // applies.
   QuotaValidation quota_validation = 23
       [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Arbitrary key-value metadata storage e.g. to help client tools
+  // identify deployments during automation. See
+  // https://google.aip.dev/148#annotations for details on format and size
+  // limitations.
+  map<string, string> annotations = 24 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // TerraformBlueprint describes the source of a Terraform root module which
@@ -1577,6 +1583,15 @@ message Preview {
 
   // Output only. Location of preview logs in `gs://{bucket}/{object}` format.
   string logs = 17 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The current Terraform version set on the preview.
+  // It is in the format of "Major.Minor.Patch", for example, "1.3.10".
+  string tf_version = 18 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Optional. The user-specified Terraform version constraint.
+  // Example: "=1.3.10".
+  optional string tf_version_constraint = 19
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Ephemeral metadata content describing the state of a preview operation.