Bump pandas from 2.1.4 to 2.2.1

Bumps [pandas](https://github.com/pandas-dev/pandas) from 2.1.4 to 2.2.1.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](pandas-dev/pandas@v2.1.4...v2.2.1)

---
updated-dependencies:
- dependency-name: pandas
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements_test.txt

@@ -12,7 +12,7 @@ pydub==0.25.1
 resampy==0.4.2
 ffmpeg-python==0.2.0
 cma==3.3.0
-pandas==2.1.4
+pandas==2.2.1
 librosa==0.10.1
 numba~=0.56.4
 opencv-python