Bump to v0.25.0-alpha.8
Bump to v0.25.0-alpha.7
Bump to v0.25.0-alpha.6
Allow backport branch to build on appveyor CI
Bump to v0.25.0-alpha.5
Bump to v0.25.0-alpha.4
Bump to v0.25.0-alpha.3
Bump to v0.25.0-alpha.2
Bump to v0.25.0-alpha.1