Fix update-comment script to ignore invalid tags

scripts/release/update-comment.js

@@ -15,6 +15,7 @@ const { version } = require('../../package.json');
 // Get latest tag according to semver.
 const [ tag ] = run('git', 'tag')
   .split(/\r?\n/)
+  .filter(semver.coerce) // check version can be processed
   .filter(v => semver.lt(semver.coerce(v), version)) // only consider older tags, ignore current prereleases
   .sort(semver.rcompare);