Update readme

10 jobs for add/gutenberg-native-meta in 3 minutes and 23 seconds (queued for 4 seconds)
latest
Status Job ID Name Coverage
  Test
passed #12591
PHPCS

00:01:20

passed #12583
PHPunit:PHP5.3:MySQL

00:03:06

passed #12584
PHPunit:PHP5.6:MySQL

00:01:44

passed #12585
PHPunit:PHP7.0:MySQL

00:01:49

passed #12586
PHPunit:PHP7.1:MySQL

00:01:46

passed #12587
PHPunit:PHP7.2:MySQL

00:01:43

passed #12588
PHPunit:PHP7.3:MySQL

00:01:45

passed #12589
PHPunit:PHP7.4:MySQL

00:01:46

failed #12590
allowed to fail
PHPunit:PHP8.0:MySQL

00:01:39

 
  Deploy
passed #12592
PluginSVN

00:00:15

 
Name Stage Failure
failed
PHPunit:PHP8.0:MySQL Test
No syntax errors detected in ./tests/test-ui.php
No syntax errors detected in ./tests/test-hooks.php
$ phpunit

Warning: Class "PHPUnit\Util\Getopt" not found in /tmp/wordpress-tests-lib/includes/phpunit6/compat.php on line 18
Error: Looks like you're using PHPUnit 9.5.4. WordPress requires at least PHPUnit 5.4 and is currently only compatible with PHPUnit up to 7.x.
Please use the latest PHPUnit version from the 7.x branch.
Cleaning up file based variables
ERROR: Job failed: exit code 1