Merge pull request #6175 from alphagov/dependabot/maven/org.apache.maven.plugins-maven-compiler-plugin-3.15.0

Bump org.apache.maven.plugins:maven-compiler-plugin from 3.14.1 to 3.15.0

Author: SandorArpa

pom.xml

@@ -455,7 +455,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.14.1</version>
+                <version>3.15.0</version>
                 <configuration>
                     <release>21</release>
                 </configuration>