Bump wyrihaximus/ticking-promise from 1.6.1 to 1.6.3
Bump wyrihaximus/ticking-promise from 1.6.1 to 1.6.3

Bumps [wyrihaximus/ticking-promise](https://github.com/WyriHaximus/TickingPromise) from 1.6.1 to 1.6.3.
- [Release notes](https://github.com/WyriHaximus/TickingPromise/releases)
- [Commits](https://github.com/WyriHaximus/TickingPromise/compare/1.6.1...1.6.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
WyriHaximus/reactphp-child-process-promise