Release 5.0.0-rc1

Release 4.13.0-rc1

Release 4.13.0-beta1

Release 5.0.0-beta1

Release 4.12.0

Release 4.12.0-rc1

Release 4.12.0-beta1

DOC Move upgrade docs into changelog for 5.0.0 (silverstripe#84)

Merge pull request silverstripe/silverstripe-framework#10339 from cre…

…ative-commoners/pulls/4/graphql-generated-docs

DOCS Correct references to graphql v4 schema build dir