Bump psutil from 7.1.3 to 7.2.1

Bumps [psutil](https://github.com/giampaolo/psutil) from 7.1.3 to 7.2.1.
- [Changelog](https://github.com/giampaolo/psutil/blob/master/HISTORY.rst)
- [Commits](https://github.com/giampaolo/psutil/compare/release-7.1.3...release-7.2.1)

---
updated-dependencies:
- dependency-name: psutil
  dependency-version: 7.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -5,5 +5,5 @@ simplesystray==0.1.0; sys_platform == 'win32'
 semantic-version==2.10.0
 # For manipulating folder permissions and the like.
 pywin32==311; sys_platform == 'win32'
-psutil==7.1.3
+psutil==7.2.1
 tomli-w==1.2.0