Bump org.antlr:antlr4 from 4.12.0 to 4.13.0

Bumps [org.antlr:antlr4](https://github.com/antlr/antlr4) from 4.12.0 to 4.13.0.
- [Release notes](https://github.com/antlr/antlr4/releases)
- [Changelog](https://github.com/antlr/antlr4/blob/master/doc/go-changes.md)
- [Commits](antlr/antlr4@4.12.0...4.13.0)

---
updated-dependencies:
- dependency-name: org.antlr:antlr4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

bom/build.gradle

@@ -288,7 +288,7 @@ dependencies {
         // Explicitly enforced versions of transitive dependencies to mitigate potential CVEs reported by static security scans.
         //TODO: Remove dependency line below in case the new parent library is updated and pulls good version.
         api("com.beust:jcommander:1.82")
-        api("org.antlr:antlr4:4.12.0")
+        api("org.antlr:antlr4:4.13.0")
         api("org.apache.ivy:ivy:2.5.1")
 
         // Add in Egeria's own projects -- not for us, but for our users