chore: deprecates bin/deps.sh

- Deprecates `bin/deps.sh`. It was rendered obsolete with 217566, and
  the introduction of a `go.mod` file.
- Fixes two minor typos in the buld scripts.
- Bumps the version to `3.0.1`.

cmd/cheat/main.go

@@ -13,7 +13,7 @@ import (
 	"github.com/cheat/cheat/internal/config"
 )
 
-const version = "3.0.0-rc0"
+const version = "3.0.1"
 
 func main() {