Bump webdavclient3 from 3.14.6 to 3.14.7 in /requirements

Bumps [webdavclient3](https://github.com/ezhov-evgeny/webdav-client-python-3) from 3.14.6 to 3.14.7.
- [Release notes](https://github.com/ezhov-evgeny/webdav-client-python-3/releases)
- [Changelog](https://github.com/ezhov-evgeny/webdav-client-python-3/blob/develop/RELEASE_NOTES.md)
- [Commits](ezhov-evgeny/webdav-client-python-3@v3.14.6...v3.14.7)

---
updated-dependencies:
- dependency-name: webdavclient3
  dependency-version: 3.14.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements/dev.txt

@@ -39,4 +39,4 @@ typing-extensions==4.15.0
 tzdata==2025.3 ; sys_platform == 'win32'
 urllib3==2.6.3
 vulture==2.14
-webdavclient3==3.14.6
+webdavclient3==3.14.7

requirements/tests.txt

@@ -24,4 +24,4 @@ tomli==2.4.0 ; python_full_version < '3.11'
 typing-extensions==4.15.0 ; python_full_version < '3.13'
 tzdata==2025.3 ; sys_platform == 'win32'
 urllib3==2.6.3
-webdavclient3==3.14.6
+webdavclient3==3.14.7