Bump hpack from 3.0.0 to 4.0.0

Bumps [hpack](https://github.com/python-hyper/hpack) from 3.0.0 to 4.0.0.
- [Changelog](https://github.com/python-hyper/hpack/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/python-hyper/hpack/compare/v3.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: hpack
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -17,7 +17,7 @@ future==0.18.3
 googletrans==4.0.0rc1
 h11==0.9.0
 h2==3.2.0
-hpack==3.0.0
+hpack==4.0.0
 hstspreload==2024.1.5
 httpcore==0.9.1
 httpx==0.13.3