fix(make-dedicated-lockfile): add sheban to the bin file

close #2990

.changeset/few-starfishes-hammer.md

@@ -0,0 +1,5 @@
+---
+"@pnpm/make-dedicated-lockfile": patch
+---
+
+Shebang added to the bin file.

packages/make-dedicated-lockfile/src/bin.ts

@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 import PnpmError from '@pnpm/error'
 import findWorkspaceDir from '@pnpm/find-workspace-dir'
 import makeDedicatedLockfile from '.'