Bump walk-sync from 1.1.4 to 2.0.2

Bumps [walk-sync](https://github.com/joliss/node-walk-sync) from 1.1.4 to 2.0.2.
- [Release notes](https://github.com/joliss/node-walk-sync/releases)
- [Changelog](https://github.com/joliss/node-walk-sync/blob/master/CHANGELOG.md)
- [Commits](joliss/node-walk-sync@v1.1.4...v2.0.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package.json

@@ -45,7 +45,7 @@
     "mkdirp": "^0.5.1",
     "semver": "^6.3.0",
     "strip-bom": "^3.0.0",
-    "walk-sync": "^1.1.3"
+    "walk-sync": "^2.0.2"
   },
   "devDependencies": {
     "@ember/optional-features": "^1.0.0",

yarn.lock

@@ -6808,8 +6808,9 @@ mocha@^6.2.0:
     yargs-unparser "1.5.0"
 
 "module-name-inliner@link:./tests/dummy/lib/module-name-inliner":
-  version "0.0.0"
-  uid ""
+  version "0.1.0"
+  dependencies:
+    ember-cli-version-checker "*"
 
 morgan@^1.9.1:
   version "1.9.1"