Try to resolve php unit test issues - WP-ENV 8.1.1

[AnthonyLedesma]

Description

The only change here is to update wp-env to ^8.1.1

Confirmed that PHP Unit tests 8.1 + 8.1 are passing.

Types of changes

Package updates for test failures.

How has this been tested?

Pipelines.

Acceptance criteria

Should allow PHP Unit tests to pass for 8.1 + 8.2

Checklist:

• My code is tested
• My code follows accessibility standards
• My code has proper inline documentation
• I've included any necessary tests
• I've included developer documentation
• I've added proper labels to this pull request

[AnthonyLedesma]

Looks like the wp-env change, had introduced a new bug when running yarn setup

$ wp-env run wordpress 'composer install -d /var/www/html/wp-content/plugins/coblocks/'
ℹ Starting 'composer install -d /var/www/html/wp-content/plugins/coblocks/' on the wordpress container. 

OCI runtime exec failed: exec failed: unable to start container process: exec: "composer install -d /var/www/html/wp-content/plugins/coblocks/": stat composer install -d /var/www/html/wp-content/plugins/coblocks/: no such file or directory: unknown
✖ Command failed with exit code 126
Command failed with exit code 126