Merge pull request #228 from pac4j/renovate/org.apache.maven.plugins-maven-compiler-plugin-3.x

Update dependency org.apache.maven.plugins:maven-compiler-plugin to v3.15.0

Author: renovate[bot]

pom.xml

@@ -102,7 +102,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.14.1</version>
+                <version>3.15.0</version>
                 <configuration>
                     <release>${java.version}</release>
                     <encoding>UTF-8</encoding>