docs: Fixes name of spark-3 API in README

Author: asm0dey

README.md

@@ -31,7 +31,7 @@ We have opened a Spark Project Improvement Proposal: [Kotlin support for Apache
 
 | Apache Spark | Scala |  Kotlin for Apache Spark        |
 |:------------:|:-----:|:-------------------------------:|
-| 3.0.0+       | 2.12  | kotlin-spark-api-3.0.0:1.0.2    |
+| 3.0.0+       | 2.12  | kotlin-spark-api-3.0:1.0.2    |
 | 2.4.1+       | 2.12  | kotlin-spark-api-2.4_2.12:1.0.2 |
 | 2.4.1+       | 2.11  | kotlin-spark-api-2.4_2.11:1.0.2 |