Pin dependency eslint-config-prettier to 6.11.0 (#417)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package.json

@@ -12,7 +12,7 @@
     "dependencies": {
         "chalk": "4.0.0",
         "commander": "5.1.0",
-        "eslint-config-prettier": "^6.11.0",
+        "eslint-config-prettier": "6.11.0",
         "strip-json-comments": "3.1.0",
         "tslint": "6.1.1",
         "typescript": "3.8.3"