#897 Replace Maven badge URL image

Author: mrotteveel

README.md

@@ -6,7 +6,7 @@ SPDX-License-Identifier: LicenseRef-PDL-1.0
 Jaybird is a JDBC driver suite to connect to Firebird database servers.
 
 [![Build Status](https://github.com/FirebirdSQL/jaybird/actions/workflows/run-tests.yml/badge.svg?branch=master)](https://github.com/FirebirdSQL/jaybird/actions?query=branch%3Amaster+workflow%3Arun-tests)
-[![MavenCentral](https://maven-badges.herokuapp.com/maven-central/org.firebirdsql.jdbc/jaybird/badge.svg)](https://maven-badges.herokuapp.com/maven-central/org.firebirdsql.jdbc/jaybird/)
+[![MavenCentral](https://maven-badges.sml.io/sonatype-central/org.firebirdsql.jdbc/jaybird/badge.svg)](https://maven-badges.sml.io/sonatype-central/org.firebirdsql.jdbc/jaybird/)
 
 ## Reporting bugs or improvements