chore: include pkg in dev deps to lock transitives

Author: Jahed Ahmed

check-dependencies.config.ts

@@ -7,8 +7,9 @@ export const config: Options = {
     'jest-junit', // used in circleci
     'tap-junit', // used in circleci
     'lerna', // used in circleci
-    'ts-loader', // Implicitly called build tools
-    'webpack-cli', // Implicitly called build tools
+    'ts-loader', // used by webpack
+    'webpack-cli', // used in package.json scripts
+    'pkg', // used for binary builds
   ],
   ignoreDirs: ['node_modules', 'dist', 'fixtures', 'test-output'],
 };