Bump third_party/yaml-cpp from `4edff1f` to `2f00649`
Bump third_party/yaml-cpp from `4edff1f` to `2f00649`

Bumps [third_party/yaml-cpp](https://github.com/jbeder/yaml-cpp) from `4edff1f` to `2f00649`.
- [Release notes](https://github.com/jbeder/yaml-cpp/releases)
- [Commits](https://github.com/jbeder/yaml-cpp/compare/4edff1fa5dbfca16fc72d89870841bee89f8ef89...2f006492913eeedafb5d8a4674527c11df6f4047)

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