[CI] [C++] Use boost binaries on Windows GHA build #23966
Description
In the Github Actions "AMD64 Windows 2019 C++" build, around 10 minutes are spent compiling the bundled Boost library from source. We should probably find a way to reuse some existing binaries.
Reporter: Antoine Pitrou / @pitrou
Assignee: Antoine Pitrou / @pitrou
PRs and other links:
Note: This issue was originally created as ARROW-7726. Please see the migration documentation for further details.