v0.9.2

This release includes a fix for a regression around CUE files without a package name, and updates the compiled-in language version to match the actual tagged version v0.9.2.

CL 1196785 fixes the cue/load logic to correctly take CUE files with out a package name into account (issue #3244).

Full list of changes since d8742c1

• [release-branch.v0.9] update cueversion.LanguageVersion to v0.9.2 by @rogpeppe in a02ef5a
• cue/load: do not consider anonymous packages when checking package qualifier by @rogpeppe in f7e7c33
• cmd/cue,cue/load: add tests for underscore packages by @rogpeppe in bbbfea0