Update README.md

Author: malczuuu

README.md

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 # Problem4J Spring
 
 [![Build Status](https://github.com/malczuuu/problem4j-spring/actions/workflows/gradle-build.yml/badge.svg)](https://github.com/malczuuu/problem4j-spring/actions/workflows/gradle-build.yml)
-[![Sonatype](https://img.shields.io/maven-central/v/io.github.malczuuu.problem4j/problem4j-spring-bom)][maven-central]
+[![Sonatype](https://img.shields.io/maven-central/v/io.github.malczuuu.problem4j/problem4j-spring-bom?filter=1.*.*)][maven-central]
 [![License](https://img.shields.io/github/license/malczuuu/problem4j-spring)](https://github.com/malczuuu/problem4j-spring/blob/main/LICENSE)
 
 Designing clear and consistent error responses in a REST API is often harder than it looks. Without a shared standard,