updated release badge to exclude versions with an 'n' in the name

Author: Jolanrensen

README.md

@@ -3,7 +3,7 @@
 [![JetBrains incubator project](https://jb.gg/badges/incubator.svg)](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub)
 [![Kotlin component beta stability](https://img.shields.io/badge/project-beta-kotlin.svg?colorA=555555&colorB=DB3683&label=&logo=kotlin&logoColor=ffffff&logoWidth=10)](https://kotlinlang.org/docs/components-stability.html)
 [![Kotlin](https://img.shields.io/badge/kotlin-2.0.20-blue.svg?logo=kotlin)](http://kotlinlang.org)
-[![Dynamic XML Badge](https://img.shields.io/badge/dynamic/xml?url=https%3A%2F%2Frepo1.maven.org%2Fmaven2%2Forg%2Fjetbrains%2Fkotlinx%2Fdataframe%2Fmaven-metadata.xml&query=%2F%2Fversion%5Bnot%28contains%28text%28%29%2C%22dev%22%29%29%5D%5Blast%28%29%5D&label=Release%20version)](https://search.maven.org/artifact/org.jetbrains.kotlinx/dataframe)
+[![Dynamic XML Badge](https://img.shields.io/badge/dynamic/xml?url=https%3A%2F%2Frepo1.maven.org%2Fmaven2%2Forg%2Fjetbrains%2Fkotlinx%2Fdataframe%2Fmaven-metadata.xml&query=%2F%2Fversion%5Bnot%28contains%28text%28%29%2C%27dev%27%29%29+and+not%28contains%28text%28%29%2C%27n%27%29%29%5D%5Blast%28%29%5D&label=Release%20version)](https://search.maven.org/artifact/org.jetbrains.kotlinx/dataframe)
 [![Dynamic XML Badge](https://img.shields.io/badge/dynamic/xml?url=https%3A%2F%2Frepo1.maven.org%2Fmaven2%2Forg%2Fjetbrains%2Fkotlinx%2Fdataframe%2Fmaven-metadata.xml&query=%2F%2Fversion%5Bcontains%28text%28%29%2C%22dev%22%29%5D%5Blast%28%29%5D&label=Dev%20version&color=yellow
 )](https://search.maven.org/artifact/org.jetbrains.kotlinx/dataframe)
 [![GitHub License](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat)](http://www.apache.org/licenses/LICENSE-2.0)