Mark `codespace` a core command

Merge pull request cli#4279 from SiarheiFedartsou/sf-pr-list-head-filter

Add `--head` filter to `gh pr list`

Add GITHUB_TOKEN to changelog-generating step

Add helper template functions for rendering tables (cli#3519)

Co-authored-by: Mislav Marohnić <mislav@github.com>

Merge pull request cli#4087 from cli/graphql-error-fix

Fix unmarshalling GraphQL error type

Merge branch 'trunk' into revert-3926-update-goreleaser-20210630

Fix goreleaser config for linux packages

Merge pull request cli#3924 from cli/rest-org-repo-bug

fix repo create in org with license/ignore

Merge pull request cli#3924 from cli/rest-org-repo-bug

fix repo create in org with license/ignore

pin goreleaser version