Merge pull request #1518 from hackermd/patch-release-2.2.2

Patch release 2.2.2

Merge pull request #1489 from hackermd/patch-release-2.2.1

Patch release 2.2.1

Update version to 2.2.0

Prep for v2.2 pre-release (#1451)

* update version
* add missing release notes
* fix docs

Change minimum supported Python version (#1272)

Merge pull request #1255 from scaramallion/type-fixes

[MRG] Typing and JSON fixes

Add release workflow and update version to 2.1 (#1242)

* Add release github actions workflow
* Add test with numpy
* Update version for release

Update for 2.0 final release (#1115)

* add sponsorship file

Update version for v2.0.0-rc.1 (#1110)

Merge pull request #1059 from pydicom/prep1.4.2

Bug fixes from v2.0 master for patch 1.4 release