Tests: improve Windows compatibility (#41)

Merge pull request #33 from wp-cli/update/wp-cli-2-12

Merge pull request #32 from wp-cli/no-lock-file

Merge pull request #28 from ernilambar/fix/maintenance-mode-docs

Evaluate `$upgrading` numeric value when checking if maintenance mode…

… is active (#22)


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Co-authored-by: Pascal Birchler <pascalb@google.com>
Co-authored-by: Daniel Bachhuber <daniel@bachhuber.co>

Merge pull request #26 from wp-cli/fix/wpcs-3.0-issues

Add `composer phpcbf` and allow `wordpress-core-installer` (#24)

Merge pull request #21 from wp-cli/fix/adapt-branch-alias

Adapt branch alias to change from `master` to `main`

Merge pull request #20 from wojsmol/fix/php81-compat

Merge pull request #18 from wp-cli/regenerate-readme