Update pyusb requirement from ~=1.1.1 to ~=1.2.1 (#88)

Updates the requirements on [pyusb](https://github.com/pyusb/pyusb) to permit the latest version.
- [Release notes](https://github.com/pyusb/pyusb/releases)
- [Commits](pyusb/pyusb@v1.1.1...v1.2.1)

---
updated-dependencies:
- dependency-name: pyusb
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -3,6 +3,6 @@ pyserial~=3.5
 python-pppd==1.0.3
 python-sdk-auth~=0.3.0
 pyudev~=0.22.0
-pyusb~=1.1.1
+pyusb~=1.2.1
 psutil~=5.8.0
 requests~=2.25.1