Bump ansi-regex from 4.1.0 to 4.1.1 in /examples/grpc/hello-world

Bumps [ansi-regex](https://github.com/chalk/ansi-regex) from 4.1.0 to 4.1.1.
- [Release notes](https://github.com/chalk/ansi-regex/releases)
- [Commits](chalk/ansi-regex@v4.1.0...v4.1.1)

---
updated-dependencies:
- dependency-name: ansi-regex
  dependency-type: indirect
...

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

Author: dependabot[bot]