apt can be flaky with old packages (as in updated but not yet in the
local database).
The only reliable fix I know of is to always update the database ...

…-rifkin#321)

Implement the fix proposed in jeremy-rifkin#320

`windows.h` has a lot of transitive includes, and subsequently undesired
macro definitions, that are not required for cpptrace's functionality.
This change simply substitutes `windows.h` for `excpt.h` in
`from_current.hpp`, fully isolating `windows.h` includes to cpptrace
source files.

ctest passed locally on:
- msvc 19.50
- clang-cl 21.1.1