gam version updates

feat: consolidate DPoP status reporting in 'gam oauth info' (#2017)

Updated `gam version update` to work on Windows.

Added option `update` to `gam version`.

Enhance move drivefile and update events

feat: add ephemeral DPoP backend for testing (#2017)

The ephemeral backend generates a fresh P-256 key in memory on every
GAM invocation. The key is never written to disk and is different each
run. This is useful for testing to confirm that Google's OAuth refresh
flow rejects DPoP proofs signed with the wrong key rather than
accepting any valid signature.

Update todrive to avoid number conversion to scientific notation

Updated `gam <UserTypeEntity> info|show|print sheet <DriveFileEntity>`

Updated `gam <UserTypeEntity> copy drivefile <DriveFileEntity> ... co…

…pysheetprotectedranges ...`

Merge branch 'main' of https://github.com/GAM-team/GAM