Bump xmldom from 0.4.0 to 0.6.0

Bumps [xmldom](https://github.com/xmldom/xmldom) from 0.4.0 to 0.6.0.
- [Release notes](https://github.com/xmldom/xmldom/releases)
- [Changelog](https://github.com/xmldom/xmldom/blob/master/CHANGELOG.md)
- [Commits](xmldom/xmldom@0.4.0...0.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -29,7 +29,7 @@
     "vue2-leaflet": "^2.5.2",
     "vuetify": "^2.2.11",
     "vuex": "^3.1.2",
-    "xmldom": "^0.4.0"
+    "xmldom": "^0.6.0"
   },
   "devDependencies": {
     "@types/leaflet": "^1.5.5",

yarn.lock

@@ -10343,10 +10343,10 @@ xmldom@^0.1.27:
   resolved "https://registry.yarnpkg.com/xmldom/-/xmldom-0.1.31.tgz#b76c9a1bd9f0a9737e5a72dc37231cf38375e2ff"
   integrity sha512-yS2uJflVQs6n+CyjHoaBmVSqIDevTAWrzMmjG1Gc7h1qQ7uVozNhEPJAwZXWyGQ/Gafo3fCwrcaokezLPupVyQ==
 
-xmldom@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/xmldom/-/xmldom-0.4.0.tgz#8771e482a333af44587e30ce026f0998c23f3830"
-  integrity sha512-2E93k08T30Ugs+34HBSTQLVtpi6mCddaY8uO+pMNk1pqSjV5vElzn4mmh6KLxN3hki8rNcHSYzILoh3TEWORvA==
+xmldom@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/xmldom/-/xmldom-0.6.0.tgz#43a96ecb8beece991cef382c08397d82d4d0c46f"
+  integrity sha512-iAcin401y58LckRZ0TkI4k0VSM1Qg0KGSc3i8rU+xrxe19A/BN1zHyVSJY7uoutVlaTSzYyk/v5AmkewAP7jtg==
 
 xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.2"