feat(dev-infra): move gqlgen to go-tool (#1453)

api/graphql/graph/bug.generated.go

api/graphql/graph/bug_comment.generated.go

api/graphql/graph/bug_mutations.generated.go

api/graphql/graph/bug_operations.generated.go

api/graphql/graph/bug_timeline.generated.go

api/graphql/graph/identity.generated.go

api/graphql/graph/label.generated.go

api/graphql/graph/operation.generated.go

api/graphql/graph/prelude.generated.go

api/graphql/graph/repository.generated.go

api/graphql/graph/root.generated.go

api/graphql/graph/root_.generated.go

api/graphql/graph/status.generated.go

api/graphql/graph/types.generated.go

api/graphql/handler.go

api/graphql/tools.go

doc/man/git-bug-bridge-auth-add-token.1

doc/man/git-bug-bridge-auth-rm.1

doc/man/git-bug-bridge-auth-show.1

doc/man/git-bug-bridge-auth.1