chore: fix permissions on folder ngcc runs on

Author: alexeagle

angular-ngc/MODULE.bazel

@@ -75,7 +75,7 @@ npm.npm_translate_lock(
         ],
     },
     custom_postinstalls = {
-        "ng2-dragula": "ngcc --source .",
+        "ng2-dragula": "chmod -R a+X * && ngcc --source .",
     },
     npm_package_target_name = "{dirname}",
     npmrc = "//:.npmrc",