This MR adds an initial implementation of the winsock `WSALookupsService*` methods for performing Bluetooth device discovery (`LUP_CONTAINERS`).
Pending !7472, the code will also eventually support performing device inquiry scans.
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v5: ws2_32: Implement WSALookupServiceNext for Bluetooth device discovery.
ws2_32: Implement WSALookupServiceBegin for Bluetooth device discovery.
ws2_32/tests: Add tests for Bluetooth device discovery in WSALookupServiceBegin/Next.
https://gitlab.winehq.org/wine/wine/-/merge_requests/7542