fix file size limit

shared/proto/app-release.proto

@@ -28,6 +28,7 @@ message AppRelease {
   bool isPublished = 10;
   string createdAt = 11;
   string updatedAt = 12;
+  string variant = 13;
 }
 
 message ListAppReleasesRequest {
@@ -52,6 +53,7 @@ message CreateAppReleaseRequest {
   string sha256 = 7;
   optional string releaseNotes = 8;
   optional string createdById = 9;
+  optional string variant = 10;
 }
 
 message UpdateAppReleaseRequest {
@@ -76,11 +78,13 @@ message CheckAppUpdateRequest {
 message CheckAppUpdateResponse {
   bool updateAvailable = 1;
   optional AppRelease latest = 2;
+  repeated AppRelease variants = 3;
 }
 
 message ResolveAppReleaseDownloadRequest {
   string platform = 1;
   optional string releaseId = 2;
+  optional string variant = 3;
 }
 
 message AppReleaseDownloadResponse {