Remove formatting from cache file. Should save on some size.

src/IKVM.Maven.Sdk.Tasks/MavenReferenceItemResolve.cs

@@ -134,7 +134,7 @@ void TryWriteCacheFile(MavenResolveCacheFile cacheFile)
             {
                 using var stm = File.Create(CacheFile);
                 using var wrt = new StreamWriter(stm);
-                using var jsn = new JsonTextWriter(wrt) { Formatting = Formatting.Indented };
+                using var jsn = new JsonTextWriter(wrt) { Formatting = Formatting.None };
                 serializer.Serialize(jsn, cacheFile);
             }
         }