update changelog way to be consistent with prefresh

Author: JoviDeCroock

.changeset/config.json

@@ -1,10 +1,13 @@
 {
   "$schema": "https://unpkg.com/@changesets/[email protected]/schema.json",
-  "changelog": "@changesets/cli/changelog",
+  "changelog": [
+    "@changesets/changelog-github",
+    { "repo": "preactjs/preact-render-to-string" }
+  ],
   "commit": false,
   "linked": [],
-  "access": "restricted",
+  "access": "public",
   "baseBranch": "master",
   "updateInternalDependencies": "patch",
   "ignore": []
-}
+}