fix: catch update notification exceptions (#1278)

* feat: add test for failing GitHub API call.

* fix: don't raise exceptions in get_most_recent_release_version.

* style: apply ruff.

* That not should not have been there.

pyproject.toml

@@ -46,6 +46,7 @@ pyinstaller = ["Pyinstaller~=6.13"]
 pytest = [
     "pytest==8.3.5",
     "pytest-cov==6.1.1",
+    "pytest-mock==3.15.1",
     "pytest-qt==4.4.0",
     "syrupy==4.9.1",
 ]