Update pip requirement from <24.4,>=21.0 to >=21.0,<25.1 (#149)

Updates the requirements on [pip](https://github.com/pypa/pip) to permit the latest version.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@21.0...25.0)

---
updated-dependencies:
- dependency-name: pip
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,4 +1,4 @@
 colorlog==6.9.0
 homeassistant>=2023.7.3
-pip>=21.0,<24.4
+pip>=21.0,<25.1
 ruff==0.4.5