Bump httpx from 0.24.1 to 0.25.0

Bumps [httpx](https://github.com/encode/httpx) from 0.24.1 to 0.25.0.
- [Release notes](https://github.com/encode/httpx/releases)
- [Changelog](https://github.com/encode/httpx/blob/master/CHANGELOG.md)
- [Commits](encode/httpx@0.24.1...0.25.0)

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

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

requirements.txt

@@ -39,9 +39,9 @@ greenlet==2.0.1
     # via gevent
 h11==0.14.0
     # via httpcore
-httpcore==0.16.3
+httpcore==0.18.0
     # via httpx
-httpx==0.24.1
+httpx==0.25.0
     # via -r requirements.in
 idna==3.4
     # via