set VERSION to 1.8.0 (JuliaLang#46367)

set VERSION to 1.8.0-rc4 (JuliaLang#46275)

Set VERSION to 1.6.7 (JuliaLang#46077)

Merge pull request JuliaLang#46007 from JuliaLang/kc/1.8.0-rc2

release-1.8: set VERSION to 1.8.0-rc3

set VERSION to 1.8.0-rc2 (JuliaLang#45963)

set VERSION to 1.8.0-rc1 (JuliaLang#45466)

 Set VERSION to 1.7.3 (JuliaLang#45059)

set VERSION to 1.8.0-beta3 (JuliaLang#44774)

 Set VERSION to 1.6.6 (JuliaLang#44742)

Merge pull request JuliaLang#44675 from JuliaLang/backports-release-1.8

More backports for julia 1.8-beta2