Bump hpack from 4.0.0 to 4.1.0 in /src (#53)

Bumps [hpack](https://github.com/python-hyper/hpack) from 4.0.0 to 4.1.0.
- [Changelog](https://github.com/python-hyper/hpack/blob/master/CHANGELOG.rst)
- [Commits](python-hyper/hpack@v4.0.0...v4.1.0)

---
updated-dependencies:
- dependency-name: hpack
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/requirements.txt

@@ -14,7 +14,7 @@ h11==0.14.0
     # via httpcore
 h2==4.1.0
     # via httpx
-hpack==4.0.0
+hpack==4.1.0
     # via h2
 httpcore==1.0.7
     # via httpx