(fix/pkg): use https instead of git@ for repository field

- apparently changelog-maker interpreted that git@ as my GH username,
  putting "git@github.com:agilgur5" into the whole log instead of just
  "agilgur5"
  - using https instead as I've done elsewhere fixes it o.o

package.json

@@ -16,7 +16,7 @@
   "homepage": "https://github.com/agilgur5/physijs-webpack",
   "repository": {
     "type": "git",
-    "url": "git@github.com:agilgur5/physijs-webpack.git"
+    "url": "https://github.com/agilgur5/physijs-webpack.git"
   },
   "bugs": {
     "url": "https://github.com/agilgur5/physijs-webpack/issues"