Bump kornia from 0.7.0 to 0.7.3 in /tests

Bumps [kornia](https://github.com/kornia/kornia) from 0.7.0 to 0.7.3.
- [Release notes](https://github.com/kornia/kornia/releases)
- [Changelog](https://github.com/kornia/kornia/blob/main/CHANGELOG.md)
- [Commits](kornia/kornia@v0.7.0...v0.7.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

tests/constraints.txt

@@ -24,7 +24,7 @@ pytest-html==4.1.1
 pytest-timeout==2.2.0
 jax<=0.4.14
 jaxlib<=0.4.14
-kornia==0.7.0
+kornia==0.7.3
 networkx<=3.1.0
 keras>=2.0.0,<3.0.0