[Release] 3.0 Alpha 3 (#915)

it going to push the release including the kotlinx serialization fix.

Author: iNoles

gradle.properties

@@ -11,5 +11,5 @@ artifactUrl=https://github.com/kittinunf/fuel
 artifactScm=git@github.com:kittinunf/fuel.git
 artifactLicenseName=MIT License
 artifactLicenseUrl=http://www.opensource.org/licenses/mit-license.php
-artifactPublishVersion=3.0.0-alpha02
+artifactPublishVersion=3.0.0-alpha03
 artifactGroupId=com.github.kittinunf.fuel