devel/py-spyder-kernels: Update to 2.4.4

• PR 461: Increase minimal required version of IPykernel to 6.23.2
• PR 459: Skip more buggy IPython versions
• PR 458: Disable IPython's debugger skip functionality by default
• PR 455: Remove codecov package and use Github action to upload coverage instead

Reported by: Repology
MFH: 2023Q3