Redo whats-new for 2023.03.0 (pydata#7659)

update api-hidden

Fix whats-new for 2023.02.0 (pydata#7506)

* fix

* Update doc/whats-new.rst

* Update whats-new

* fix.

v2023.01.0 whats-new (pydata#7440)

Whats-new: 2022.12.0 (pydata#7345)

* Whats-new: 2022.12.0

* Update doc/whats-new.rst

whats-new for 2022.11.0 (pydata#7249)

* whats-new for 2022.11.0

* [skip-ci] fix RTD

v2022.10.0 whats-new (pydata#7160)

* v2022.10.0 whats-new

* [skip-ci] mention scatter plot!

* [skip-ci] Update doc/whats-new.rst

2022.09.0 release summary (pydata#7107)

* release summary

* Update doc/whats-new.rst

Co-authored-by: Maximilian Roos <[email protected]>

* correct after Max's wording change

Co-authored-by: Maximilian Roos <[email protected]>

Release notes for v2022.06.0 (pydata#6815)

release notes for 2022.06.0rc0