Bump jasmine-ajax from 3.4.0 to 4.0.0

Bumps [jasmine-ajax](https://github.com/jasmine/jasmine-ajax) from 3.4.0 to 4.0.0.
- [Release notes](https://github.com/jasmine/jasmine-ajax/releases)
- [Commits](jasmine/jasmine-ajax@v3.4.0...v4.0.0)

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

package.json

@@ -28,7 +28,7 @@
     "grunt-contrib-watch": "^1.1.0",
     "grunt-template-jasmine-requirejs": "^0.2.3",
     "jasmine": "^3.3.1",
-    "jasmine-ajax": "^3.4.0",
+    "jasmine-ajax": "^4.0.0",
     "jasmine-jquery": "^2.1.1",
     "leaflet-graticule": "~0.0.1",
     "matchdep": "^2.0.0",