v1.21.0-m2

(github-ci) use emsdk only if needed

Src-commit: b48205432c4f48acd0b36d2b80fab81f87a1f1c5

v1.21.0-m1

(builder) Update release names and tags

Src-commit: 2407d424058b4dce9a279140bae993322d9ed2a5

v1.21.0-alpha.4

Removed alpha from version

Src-commit: af85c3b2e16ee511a0044c588d0a923654d61b2e

v1.21.0-alpha.3

(CI) missing ghostscript dep

Src-commit: 1d07af047f6cdd8ff165a10358e383d5208fbae5

v1.20.0

CI scripts ported to github actions

Src-commit: 9379eec2e2c787f56c2dae81d107d00e4b321d64