Bump selenium from 4.39.0 to 4.40.0 in /tests/application_tests

Bumps [selenium](https://github.com/SeleniumHQ/Selenium) from 4.39.0 to 4.40.0.
- [Release notes](https://github.com/SeleniumHQ/Selenium/releases)
- [Commits](SeleniumHQ/selenium@selenium-4.39.0...selenium-4.40.0)

---
updated-dependencies:
- dependency-name: selenium
  dependency-version: 4.40.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tests/application_tests/pyproject.toml

@@ -10,7 +10,7 @@ classifiers = [
 dependencies = [
     "axe-selenium-python==2.1.6",
     "requests==2.32.5",
-    "selenium==4.39.0",
+    "selenium==4.40.0",
 ]
 optional-dependencies.dev = [
     "types-requests==2.32.4.20260107",