Bump antlr.version from 4.9.1 to 4.9.2

Bumps `antlr.version` from 4.9.1 to 4.9.2.

Updates `antlr4-runtime` from 4.9.1 to 4.9.2
- [Release notes](https://github.com/antlr/antlr4/releases)
- [Changelog](https://github.com/antlr/antlr4/blob/master/CHANGES.txt)
- [Commits](antlr/antlr4@4.9.1...4.9.2)

Updates `antlr4-maven-plugin` from 4.9.1 to 4.9.2
- [Release notes](https://github.com/antlr/antlr4/releases)
- [Changelog](https://github.com/antlr/antlr4/blob/master/CHANGES.txt)
- [Commits](antlr/antlr4@4.9.1...4.9.2)

---
updated-dependencies:
- dependency-name: org.antlr:antlr4-runtime
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.antlr:antlr4-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -10,7 +10,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.target>1.7</maven.compiler.target>
 		<maven.compiler.source>1.7</maven.compiler.source>
-		<antlr.version>4.9.1</antlr.version>
+		<antlr.version>4.9.2</antlr.version>
 		<antlr4test-maven-plugin.version>1.17</antlr4test-maven-plugin.version>
 		<junit.version>4.13.2</junit.version>
 	</properties>