Bump org.codehaus.mojo:exec-maven-plugin in /lang/java (#3609)

Bumps [org.codehaus.mojo:exec-maven-plugin](https://github.com/mojohaus/exec-maven-plugin) from 3.6.2 to 3.6.3.
- [Release notes](https://github.com/mojohaus/exec-maven-plugin/releases)
- [Commits](mojohaus/exec-maven-plugin@3.6.2...3.6.3)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:exec-maven-plugin
  dependency-version: 3.6.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

lang/java/pom.xml

@@ -65,7 +65,7 @@
     <archetype-plugin.version>3.4.1</archetype-plugin.version>
     <bundle-plugin-version>6.0.0</bundle-plugin-version>
     <cyclonedx-maven-plugin.version>2.9.1</cyclonedx-maven-plugin.version>
-    <exec-plugin.version>3.6.2</exec-plugin.version>
+    <exec-plugin.version>3.6.3</exec-plugin.version>
     <file-management.version>3.2.0</file-management.version>
     <javacc-plugin.version>3.0.3</javacc-plugin.version>
     <javacc.version>7.0.13</javacc.version>