chore(deps): update dependency node-wp-i18n to v1.2.8

Author: renovate[bot]

package.json

@@ -68,7 +68,7 @@
     "eslint-plugin-jsx-a11y": "6.3.1",
     "eslint-plugin-react": "7.20.3",
     "husky": "4.2.5",
-    "node-wp-i18n": "1.2.3",
+    "node-wp-i18n": "1.2.8",
     "stylelint": "^13.13.1",
     "stylelint-config-recommended-scss": "4.2.0",
     "stylelint-order": "4.1.0",