chore(deps-dev): bump httpcore from 1.0.3 to 1.0.4

Bumps [httpcore](https://github.com/encode/httpcore) from 1.0.3 to 1.0.4.
- [Release notes](https://github.com/encode/httpcore/releases)
- [Changelog](https://github.com/encode/httpcore/blob/master/CHANGELOG.md)
- [Commits](encode/httpcore@1.0.3...1.0.4)

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

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

Author: dependabot[bot]

requirements-dev.txt

@@ -32,7 +32,7 @@ h2==4.1.0
 
 hpack==4.0.0
 
-httpcore==1.0.3
+httpcore==1.0.4
 
 httpx==0.26.0