message: Reject invalid --semver flag when releasing a new version
  Since I always forget it accepts major/minor/patch rather than the actual version
diff: @@ -58,6 +58,13 @@ function validateArgs(done) {
  })
  );
  }
  + if (!['patch', 'minor', 'major'].includes(options.semver)) {
  + return done(
  + new PluginError('updateVersion', {
  + message: 'Invalid `--semver` option. Possible values: patch, minor, major',
  + })
  + );
  + }
  const gitHubToken = options.gitHubToken || process.env.CHANGELOG_GITHUB_TOKEN;
  if (!gitHubToken) {
  