Upgrades all composer packages

Updates all NPM packages and dependencies

Update plugin-check.yml

Merge pull request #18 from swissspidy/patch-1

Update Plugin Check action name

Merge branch 'trunk' of github.com:mattyza/starter-plugin into trunk

Decouples taxonomies from post types when registering

Merge pull request #17 from mattyza/mattyza-patch-1

Update ci.yml

Update ci.yml

Merge pull request #16 from mattyza/add/unit-tests-scaffold

Ignores the PHPUnit results cache file

Update plugin-check.yml

Create ci.yml

Adds tests for the main plugin class