build(deps): bump httpcore from 1.0.2 to 1.0.3 (#18)

Bumps [httpcore](https://github.com/encode/httpcore) from 1.0.2 to 1.0.3.
- [Release notes](https://github.com/encode/httpcore/releases)
- [Changelog](https://github.com/encode/httpcore/blob/master/CHANGELOG.md)
- [Commits](encode/httpcore@1.0.2...1.0.3)

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

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

Author: dependabot[bot]

requirements.txt

@@ -32,7 +32,7 @@ frozenlist==1.4.1
     #   aiosignal
 h11==0.14.0
     # via httpcore
-httpcore==1.0.2
+httpcore==1.0.3
     # via httpx
 httpx==0.26.0
     # via aioauth-client