Set version to 0.19.1

Set version to 0.19.1

ensure view projections for extensions always point to extendee

Make CI work for Windows on a push to the release branch

Add Changelog for v0.17.3, bump version number

update changelog for v0.18.0 (spack#30905)

Bump version number to v0.17.2

Fix execution of style tests

Update CHANGELOG.md for 0.17.0

Bump version and update changelog