fix(scripts): hoist logger to module scope in lint.mjs

Fixes ReferenceError where logger was undefined in main().catch() handler.
Logger was previously imported but not instantiated at module scope.

Author: jdalton

packages/cli/scripts/lint.mjs

@@ -14,6 +14,8 @@ import { getDefaultLogger } from '@socketsecurity/lib/logger'
 import { spawn } from '@socketsecurity/lib/spawn'
 import { printHeader } from '@socketsecurity/lib/stdio/header'
 
+const logger = getDefaultLogger()
+
 // Files that trigger a full lint when changed
 const CORE_FILES = new Set([
   'src/constants.ts',