Merge pull request docker#858 from tonistiigi/v0.7-fix-dockerignore-star

[v0.7] vendor: patch docker and fsutil pattern matching

Merge pull request docker#832 from crazy-max/update-compose

update github.com/compose-spec/compose-go to v1.0.5

Merge pull request docker#818 from crazy-max/fix-builder-flag

cli: fix builder persistent flag

Merge pull request docker#752 from tonistiigi/v0.6-mount-path-fix

[v0.6] container-driver: fix volume destination for cache

Merge pull request docker#743 from tonistiigi/v0.6-client-ctx

[v0.6] use long-running context for client initialization

Merge pull request docker#704 from crazy-max/use-compose-config-file

Set `ConfigFile` to parse compose files with bake

Merge pull request docker#676 from tonistiigi/vol-delete

don't error on deleting old build containers without state volume

Merge pull request docker#672 from crazy-max/keep-buildkit-state

Keep BuildKit state in a volume

Merge pull request docker#475 from tiborvass/fix_create_platform_regr…

…ession

driver: do not insert "platform" as driver-opt

Merge pull request docker#471 from crazy-max/remove-travis

Remove travis support and unused buildmode