bumpv1.2.2 (#3475)

bumpv1.2.1 (#3391)

bumpv1.2.0 (#3376)

bumpv1.1.2 (#3339)

bumpv1.1.1 (#3223)

Release MMSegmentation v1.1.0

Merge branch 'dev-1.x' of github.com:open-mmlab/mmsegmentation into main

Merge branch 'dev-1.x' of github.com:open-mmlab/mmsegmentation into 1.x

Merge branch 'dev-1.x' of github.com:open-mmlab/mmsegmentation into 1.x

Merge branch 'dev-1.x' of github.com:open-mmlab/mmsegmentation into 1.x