Bump maven-compiler-plugin in /java/amazon-kinesis-producer (#484)

Bumps [maven-compiler-plugin](https://github.com/apache/maven-compiler-plugin) from 3.7.0 to 3.11.0.
- [Release notes](https://github.com/apache/maven-compiler-plugin/releases)
- [Commits](apache/maven-compiler-plugin@maven-compiler-plugin-3.7.0...maven-compiler-plugin-3.11.0)

---
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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

java/amazon-kinesis-producer/pom.xml

@@ -20,7 +20,7 @@
         <plugins>
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.7.0</version>
+                <version>3.11.0</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>