Add max length for dist (#8512)

Author: AbhiPrasad

src/platforms/common/configuration/options.mdx

@@ -92,7 +92,7 @@ Sets the release. Some SDKs will try to automatically configure a release out of
 
 <ConfigKey name="dist" supported={["apple", "java", "android", "dart", "flutter", "dotnet", "react-native"]}>
 
-Sets the distribution of the application. Distributions are used to disambiguate build or deployment variants of the same release of an application. For example, the dist can be the build number of an Xcode build or the version code of an Android build.
+Sets the distribution of the application. Distributions are used to disambiguate build or deployment variants of the same release of an application. For example, the dist can be the build number of an Xcode build or the version code of an Android build. The dist has a max length of 64 characters.
 
 </ConfigKey>