Update kornia requirement from ~=0.6.3 to ~=0.6.4

Updates the requirements on [kornia](https://github.com/kornia/kornia) to permit the latest version.
- [Release notes](https://github.com/kornia/kornia/releases)
- [Changelog](https://github.com/kornia/kornia/blob/master/CHANGELOG.md)
- [Commits](kornia/kornia@v0.6.3...v0.6.4)

---
updated-dependencies:
- dependency-name: kornia
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements_test.txt

@@ -39,7 +39,7 @@ GPy==1.10.0
 lightgbm==3.3.2
 xgboost==1.5.2
 
-kornia~=0.6.3
+kornia~=0.6.4
 tensorboardX==2.5
 lief==0.11.5
 jax[cpu]==0.3.4