Bump webpush from 0.3.5 to 0.3.6 (#9783)
Bumps [webpush](https://github.com/zaru/webpush) from 0.3.5 to 0.3.6.
- [Release notes](https://github.com/zaru/webpush/releases)
- [Changelog](https://github.com/zaru/webpush/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zaru/webpush/compare/v0.3.5...v0.3.6)
Signed-off-by: dependabot[bot] <support@dependabot.com>