Bump xml2js from 0.4.19 to 0.5.0

Bumps [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js) from 0.4.19 to 0.5.0.
- [Release notes](https://github.com/Leonidas-from-XIV/node-xml2js/releases)
- [Commits](Leonidas-from-XIV/node-xml2js@0.4.19...0.5.0)

---
updated-dependencies:
- dependency-name: xml2js
  dependency-type: direct:production
...

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

package.json

@@ -8,7 +8,7 @@
     "url": "git://github.com/twingly/twingly-search-api-node.git"
   },
   "dependencies": {
-    "xml2js": "^0.4.17"
+    "xml2js": "^0.5.0"
   },
   "devDependencies": {
     "chai": "^3.5.0",