⬆️ Update ruamel-yaml requirement from ~=0.17.35 to ~=0.17.40

Updates the requirements on [ruamel-yaml](https://sourceforge.net/p/ruamel-yaml/code/ci/default/tree) to permit the latest version.

---
updated-dependencies:
- dependency-name: ruamel-yaml
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -7,7 +7,7 @@ psutil~=5.9.6         # CPU / disk / network metrics
 GPUtil~=1.4.0         # Nvidia GPU
 pystray~=0.19.5       # Tray icon (all OS)
 babel~=2.13.0         # Date/time formatting
-ruamel.yaml~=0.17.35  # For configuration editor
+ruamel.yaml~=0.17.40  # For configuration editor
 sv-ttk~=2.5.5         # Tk Sun Valley theme for configuration editor
 
 # Following packages are for AMD GPU on Linux