build(deps): bump org.apache.maven.plugins:maven-compiler-plugin

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](apache/maven-compiler-plugin@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] <[email protected]>

java-spark/pom.xml

@@ -13,7 +13,7 @@
 
     <properties>
         <spark.version>2.9.4</spark.version>
-        <maven.compiler.plugin.version>3.11.0</maven.compiler.plugin.version>
+        <maven.compiler.plugin.version>3.12.1</maven.compiler.plugin.version>
         <apache.httpcomponents.version>4.5.14</apache.httpcomponents.version>
         <gson.version>2.10.1</gson.version>
         <crate-jdbc.version>2.7.0</crate-jdbc.version>