Update numba requirement from ~=0.56.0 to ~=0.56.2

Updates the requirements on [numba](https://github.com/numba/numba) to permit the latest version.
- [Release notes](https://github.com/numba/numba/releases)
- [Commits](numba/numba@0.56.0...0.56.2)

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

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

Author: dependabot[bot]

requirements_test.txt

@@ -14,7 +14,7 @@ ffmpeg-python==0.2.0
 cma==3.2.2
 pandas==1.4.4
 librosa==0.9.2
-numba~=0.56.0
+numba~=0.56.2
 opencv-python
 sortedcontainers==2.4.0
 h5py==3.7.0