message: check for diff before commit
diff: @@ -30,7 +30,9 @@ execSync("git pull");
  retry(
  function () {
  execSync("git add ./**/*.png");
  - execSync(`git commit -m "CHORE: Update screenshots"`);
  + execSync(
  + `git diff-index --quiet HEAD || git commit -m "CHORE: Update screenshots"`
  + );
  },
  function () {
  execSync("git pull --rebase --autostash");
  