Bump httpcore from 0.17.1 to 0.17.2

Bumps [httpcore](https://github.com/encode/httpcore) from 0.17.1 to 0.17.2.
- [Release notes](https://github.com/encode/httpcore/releases)
- [Changelog](https://github.com/encode/httpcore/blob/master/CHANGELOG.md)
- [Commits](encode/httpcore@0.17.1...0.17.2)

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

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

requirements.txt

@@ -95,7 +95,7 @@ grpcio-status==1.54.2
 h11==0.14.0
 h2==4.1.0
 hpack==4.0.0
-httpcore==0.17.1
+httpcore==0.17.2
 httpx==0.24.1
 hyperframe==6.0.1
 idna==3.4