Update MCProtocolLib (via ReplayStudio)

Primarily because of
1728e10 Default to no team color when receiving unknown values.
63e06fa Remove hard bitsPerEntry limit, enforce minimum of 4.
6de0593 Add CustomStatistic as fallback for custom or unimplemented statistic IDs.

versions/common.gradle

@@ -79,7 +79,7 @@ dependencies {
 
     def studioVersion = project.name
     if (studioVersion == '1.8.9') studioVersion = '1.8'
-    shade("com.github.ReplayMod.ReplayStudio:$studioVersion:9fd96a7"){
+    shade("com.github.ReplayMod.ReplayStudio:$studioVersion:e6f898d"){
         exclude group: 'com.google.guava', module: 'guava' // provided by MC
         exclude group: 'org.projectlombok', module: 'lombok' // runtime only for @SneakyThrows which isn't used
     }