Update version to 0.20.3

Update versions to 0.20.2

Update versions to 0.20.1

Update docs.yml

Update Cargo.lock

Update docs.yml

glib: Depend on glib-macros 0.19.9 for the new feature

Update Cargo.lock

Update versions to 0.19.7

Merge pull request #1390 from sdroege/0.19-backports

0.19 backports