Bump regexp.prototype.flags from 1.3.0 to 1.3.1
Bump regexp.prototype.flags from 1.3.0 to 1.3.1

Bumps [regexp.prototype.flags](https://github.com/es-shims/RegExp.prototype.flags) from 1.3.0 to 1.3.1.
- [Release notes](https://github.com/es-shims/RegExp.prototype.flags/releases)
- [Changelog](https://github.com/es-shims/RegExp.prototype.flags/blob/main/CHANGELOG.md)
- [Commits](https://github.com/es-shims/RegExp.prototype.flags/compare/v1.3.0...v1.3.1)

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