* Add bounded desktop power and heat observations with offline downloads
* Fix desktop power tests on Python 3.9
---------
Co-authored-by: SAPHID <saphid@users.noreply.github.com>
* Add read-only power and heat sampler for issue 52
* Make power sampler IIO fixture portable on Windows
* test: normalize Windows fixture paths for power sampler
---------
Co-authored-by: SAPHID <saphid@users.noreply.github.com>