Bump platformdirs from 4.4.0 to 4.5.0 in /src

Bumps [platformdirs](https://github.com/tox-dev/platformdirs) from 4.4.0 to 4.5.0.
- [Release notes](https://github.com/tox-dev/platformdirs/releases)
- [Changelog](https://github.com/tox-dev/platformdirs/blob/main/CHANGES.rst)
- [Commits](tox-dev/platformdirs@4.4.0...4.5.0)

---
updated-dependencies:
- dependency-name: platformdirs
  dependency-version: 4.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/requirements.txt

@@ -1,4 +1,4 @@
-platformdirs==4.4.0
+platformdirs==4.5.0
 PyQt5==5.15.11
 PyQt5_sip>=12.13
 QDarkStyle==3.2.3