Bump antlr-runtime from 3.5 to 3.5.2

Bumps [antlr-runtime](https://github.com/antlr/antlr3) from 3.5 to 3.5.2.
- [Release notes](https://github.com/antlr/antlr3/releases)
- [Commits](https://github.com/antlr/antlr3/compare/3.5...3.5.2)

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

Closes #76

Change-Id: I8e037aebb690e88d05ff501f51d29adce921ba32
diff --git a/pom.xml b/pom.xml
index 43c2152..4f8d161 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,7 @@
 		<dependency>
 			<groupId>org.antlr</groupId>
 			<artifactId>antlr-runtime</artifactId>
-			<version>3.5</version>
+			<version>3.5.2</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>