fix: specify main as the semantic release branch (#235)

Author: bflorian

.releaserc.yaml

@@ -9,3 +9,5 @@ plugins:
     - assets: ["docs", "package.json"]
       message: "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
 preset: conventionalcommits
+branches:
+  - main