Prepare v0.49.0 #6475

Job	Run time
Black (Python3.9)	1m 18s
Python3.9 (Conda, ubuntu-latest)	6m 45s
Python3.12 (Conda, ubuntu-latest)	7m 7s
test-${{ matrix.tox-env }} (Python${{ matrix.python-version }})	0s
py39-coverage-prefetch (Python3.9, windows-latest)	6m 43s
py310-coverage-lmoments-doctest (Python3.10, macos-latest)	3m 24s
py39-coverage-sbck-doctest (Python3.9, ubuntu-latest)	6m 25s
py310-coverage-lmoments (Python3.10, ubuntu-latest)	9m 9s
py311-coverage-sbck (Python3.11, ubuntu-latest)	5m 43s
py312-coverage-lmoments-doctest (Python3.12, ubuntu-latest)	7m 10s
notebooks (Python3.10, ubuntu-latest)	8m 22s
offline-prefetch (Python3.11, ubuntu-latest)	4m 53s
finish	13s
	1h 7m 12s

Provide feedback