Update Bootstrap.cs to remove Cache

Packages/com.vrchat.core.bootstrap/Editor/Bootstrap.cs

@@ -58,7 +58,7 @@ public static async Task AddResolver()
                 return;
             }
 
-            var url = $"{bootstrapMatch.Groups[1].Value}&cache={Guid.NewGuid()}";
+            var url = bootstrapMatch.Groups[1].Value;
             
             var targetFile =  Path.Combine(Path.GetTempPath(), $"resolver-{DateTime.Now.ToString("yyyyMMddTHHmmss")}.unitypackage");
             
@@ -89,4 +89,4 @@ public static async Task<string> GetRemoteString(string url)
             }
         }
     }
-}
+}