Fix GH badge

Author: garydgregory

README.md

@@ -44,7 +44,7 @@ Apache Commons Pool
 ===================
 
 [![GitHub Actions Status](https://github.com/apache/commons-pool/workflows/Java%20CI/badge.svg)](https://github.com/apache/commons-pool/actions)
-[![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.commons/commons-pool2/badge.svg?gav=true)](https://maven-badges.herokuapp.com/maven-central/org.apache.commons/commons-pool2/?gav=true)
+[![Maven Central](https://img.shields.io/maven-central/v/org.apache.commons/commons-pool2?label=Maven%20Central)](https://search.maven.org/artifact/org.apache.commons/commons-pool2)
 [![Javadocs](https://javadoc.io/badge/org.apache.commons/commons-pool2/2.12.0.svg)](https://javadoc.io/doc/org.apache.commons/commons-pool2/2.12.0)
 [![CodeQL](https://github.com/apache/commons-pool/workflows/CodeQL/badge.svg)](https://github.com/apache/commons-pool/actions/workflows/codeql-analysis.yml?query=workflow%3ACodeQL)
 [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/apache/commons-pool/badge)](https://api.securityscorecards.dev/projects/github.com/apache/commons-pool)