chore: don't commit package-lock.json

Ref: ipld/js-dag-cbor#126

Author: rvagg

package.json

@@ -143,7 +143,9 @@
       "@semantic-release/changelog",
       "@semantic-release/npm",
       "@semantic-release/github",
-      "@semantic-release/git"
+      ["@semantic-release/git", {
+        "assets": ["CHANGELOG.md", "package.json"]
+      }]
     ]
   },
   "scripts": {