KWSys 2026-08-08 (ea3b2a5a)

Code extracted from:

    https://gitlab.kitware.com/utils/kwsys.git

at commit ea3b2a5a965edbc762ff8c3331742603d054bc37 (master).

Upstream Shortlog
-----------------

Brad King (3):
      badc3d09 Process: Fix compilation on Windows with WIN32_LEAN_AND_MEAN
      c54df4be cmake: Modernize add_definitions calls to add_compile_definitions
      1cda2290 cmake: Compile with WIN32_LEAN_AND_MEAN on Windows

Matthew Woehlke (2):
      d5b086a9 SystemTools: Fix compilation on Windows with WIN32_LEAN_AND_MEAN
      bd32c8f4 SystemInformation: Fix compilation on Windows with WIN32_LEAN_AND_MEAN