- Linting: Add ignore folder to ignore file; ensure license versions are valid semver

- npm: Update devDeps

package.json

@@ -88,14 +88,14 @@
     "babel-plugin-transform-object-rest-spread": "^7.0.0-beta.3",
     "core-js-bundle": "^3.4.1",
     "eslint": "6.6.0",
-    "eslint-config-ash-nazg": "11.3.0",
+    "eslint-config-ash-nazg": "11.4.0",
     "eslint-config-standard": "14.1.0",
     "eslint-plugin-array-func": "^3.1.3",
     "eslint-plugin-compat": "^3.3.0",
     "eslint-plugin-eslint-comments": "^3.1.2",
     "eslint-plugin-html": "^6.0.0",
     "eslint-plugin-import": "2.18.2",
-    "eslint-plugin-jsdoc": "^17.1.1",
+    "eslint-plugin-jsdoc": "^18.0.1",
     "eslint-plugin-markdown": "^1.0.1",
     "eslint-plugin-no-use-extend-native": "^0.4.1",
     "eslint-plugin-node": "10.0.0",
@@ -118,7 +118,7 @@
     "regenerator-runtime": "^0.13.3",
     "remark-cli": "^7.0.1",
     "remark-lint-ordered-list-marker-value": "^1.0.3",
-    "rollup": "1.26.5",
+    "rollup": "1.27.0",
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-re": "^1.0.7",
     "rollup-plugin-terser": "^5.1.2",