fix(git): commit from root

Marc MacLeod · Marc MacLeod · commit 064dd0113c2f · 2018-10-27T16:07:02.000-05:00
diff --git a/package.json b/package.json
@@ -60,6 +60,7 @@
       [
         "@semantic-release/git",
         {
+          "pkgRoot": ".",
           "assets": [
             "package.json"
           ],
