Bump antlr4-runtime from 4.7.1 to 4.7.2 (#4542)
Bump antlr4-runtime from 4.7.1 to 4.7.2 (#4542)

Bumps [antlr4-runtime](https://github.com/antlr/antlr4) from 4.7.1 to 4.7.2.
- [Release notes](https://github.com/antlr/antlr4/releases)
- [Changelog](https://github.com/antlr/antlr4/blob/master/CHANGES.txt)
- [Commits](https://github.com/antlr/antlr4/compare/4.7.1...4.7.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
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