Use one build number across phone, Mac and Status

mac/Sources/Byre/API.swift

@@ -116,6 +116,7 @@ final class API: Sendable {
         self.origin = origin
         let config = URLSessionConfiguration.default
         config.httpAdditionalHeaders = [
+            "Byre-Build": Bundle.main.object(forInfoDictionaryKey: "CFBundleVersion") as! String,
             "Byre-Client": clientID,
             "Byre-Commit": Bundle.main.object(forInfoDictionaryKey: "ByreCommit") as! String,
             "Byre-Device": deviceKind,

mac/Sources/Byre/Status.swift

@@ -499,7 +499,7 @@ private struct ClientTable: View {
     }
 
     private func build(_ c: ConnectedClient) -> String {
-        c.commit.isEmpty ? "—" : String(c.commit.prefix(8))
+        c.build.isEmpty ? "—" : c.build
     }
 }