Log Message:
py-pywavelets: updated to 1.6.0

PyWavelets 1.6.0

We are very pleased to announce the release of PyWavelets 1.6.0. This release
is a minor update to 1.6.x. It adds support for NumPy 2.0, which also keeping
compatibility with NumPy 1.22-1.26. It requires Cython 3.0; support for 0.29.x
is dropped.

Other noteworthy improvements:

- Improved documentation for ``pywt.cwt``
- The documentation was migrated to the PyData Sphinx Theme and the content
  organization improved
- Releases on PyPI now include wheels for ``musllinux`` (x86-64 and aarch64)
- The test suite is now passing and tested in CI with Emscripten/Pyodide
- Nightly builds will be available at
  https://anaconda.org/scientific-python-nightly-wheels/PyWavelets/ going
  forward