Bump org.apache.maven.plugins:maven-compiler-plugin (closes #166)

Bumps [org.apache.maven.plugins:maven-compiler-plugin](https://github.com/apache/maven-compiler-plugin) from 3.11.0 to 3.12.1.
- [Release notes](https://github.com/apache/maven-compiler-plugin/releases)
- [Commits](https://github.com/apache/maven-compiler-plugin/compare/maven-compiler-plugin-3.11.0...maven-compiler-plugin-3.12.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-compiler-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Change-Id: I1456811832c5d08510c4fb36388a70d675518c23
Reviewed-on: https://korap.ids-mannheim.de/gerrit/c/KorAP/Koral/+/7931
Reviewed-by: Nils Diewald <nils@diewald-online.de>
diff --git a/pom.xml b/pom.xml
index ef02ec2..da1b43f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -202,7 +202,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.11.0</version>
+				<version>3.12.1</version>
 				<configuration>
 					<!-- <verbose>true</verbose>
 		          	<fork>true</fork> -->