build(deps): bump third_party/prjxray-db from `a11a64c` to `8e1506d`
build(deps): bump third_party/prjxray-db from `a11a64c` to `8e1506d`

Bumps [third_party/prjxray-db](https://github.com/SymbiFlow/prjxray-db) from `a11a64c` to `8e1506d`.
- [Release notes](https://github.com/SymbiFlow/prjxray-db/releases)
- [Commits](https://github.com/SymbiFlow/prjxray-db/compare/a11a64c2fd2627dea6fe596ab24775519b0e5012...8e1506dffad736378c6f7352dd211b213122a836)

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