chore(deps): bump httptools from 0.6.0 to 0.6.1

Bumps [httptools](https://github.com/MagicStack/httptools) from 0.6.0 to 0.6.1.
- [Release notes](https://github.com/MagicStack/httptools/releases)
- [Commits](MagicStack/httptools@v0.6.0...v0.6.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -15,7 +15,7 @@ fastapi-restful==0.4.2; python_full_version >= "3.6.2" and python_full_version <
 fastapi==0.99.1; python_full_version >= "3.6.1"
 greenlet==1.1.2; python_version >= "3" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32") and python_full_version >= "3.6.2" and python_full_version < "4.0.0"
 h11==0.14.0; python_full_version >= "3.6.1" and python_version >= "3.6"
-httptools==0.6.0
+httptools==0.6.1
 idna==3.3; python_full_version >= "3.6.2" and python_version >= "3.7" and python_version < "4.0"
 itsdangerous==2.0.1; python_full_version >= "3.6.2" and python_version >= "3.6" and python_full_version < "4.0.0"
 jinja2==3.0.2; python_full_version >= "3.6.2" and python_version >= "3.6" and python_full_version < "4.0.0"