message: fix(release-notes): handle unknown versions
diff: @@ -110,6 +110,7 @@ function getVersionSymbol(version) {
  const filteredVersions = versions.filter(
  v => version.startsWith(`${v.minor}.`)
  );
  + filteredVersions.unshift(fallbackVersion);
  return filteredVersions[filteredVersions.length - 1].symbol;
  }
  @@ -119,6 +120,7 @@ function getVersionElement(version) {
  const filteredVersions = versions.filter(
  v => version.startsWith(`${v.minor}.`)
  );
  + filteredVersions.unshift(fallbackVersion);
  return filteredVersions[filteredVersions.length - 1].element;
  }
  @@ -275,3 +277,5 @@ const versions = [
  'element': 'Copper'
  }
  ];
  +
  +const fallbackVersion = { 'minor': '9201', 'symbol': 'Uo', 'element': 'Unobtainium' };
  