chore: bump CMake max policy to 4.2 (#5944)

* chore: bupm CMake to 4.1

Signed-off-by: Henry Schreiner <henryfs@princeton.edu>

* ci: use newest version of CMake in a few places

Signed-off-by: Henry Schreiner <henryfs@princeton.edu>

* chore: bupm CMake to 4.2

Signed-off-by: Henry Schreiner <henryfs@princeton.edu>

---------

Signed-off-by: Henry Schreiner <henryfs@princeton.edu>
13 files changed