feat(os): add FreeBSD support

Signed-off-by: atagtm <[email protected]>

internal/locker/runtime_unix.go

@@ -1,4 +1,4 @@
-//go:build linux || openbsd
+//go:build linux || openbsd || freebsd
 
 /*
    Copyright 2020 Docker Compose CLI authors

pkg/remote/cache_unix.go

@@ -1,4 +1,4 @@
-//go:build linux || openbsd
+//go:build linux || openbsd || freebsd
 
 /*
    Copyright 2020 Docker Compose CLI authors