build(deps): bump third_party/prjxray from `8486f10` to `87622ce`
build(deps): bump third_party/prjxray from `8486f10` to `87622ce`

Bumps [third_party/prjxray](https://github.com/SymbiFlow/prjxray) from `8486f10` to `87622ce`.
- [Release notes](https://github.com/SymbiFlow/prjxray/releases)
- [Commits](https://github.com/SymbiFlow/prjxray/compare/8486f10a19e0300db99334a45b6d667fb6929cc7...87622ce0736aefc6026fc959c97e57a9fbe08128)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
SymbiFlow/symbiflow-xc-fasm2bels