Bump mversion in /graph/libs/leaflet-providers-1.1.17

Bumps [mversion](https://github.com/mikaelbr/mversion) from 1.13.0 to 2.0.0.
- [Release notes](https://github.com/mikaelbr/mversion/releases)
- [Commits](mikaelbr/mversion@v1.13.0...v2.0.0)

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

graph/libs/leaflet-providers-1.1.17/package.json

@@ -30,7 +30,7 @@
     "eslint-plugin-html": "^2.0.1",
     "mocha": "^3.2.0",
     "mocha-phantomjs-core": "^2.1.1",
-    "mversion": "^1.10.1",
+    "mversion": "^2.0.0",
     "phantomjs-prebuilt": "^2.1.16",
     "uglify-js": "^2.4.15"
   },