PHP8.2 + devbox support

[svandragt]

• [x] DevBox environment
• [x] PHP 8.2 upgrade
• [x] Replace ext-yaml

It would be great if you could install Lamb's dependencies without conflicting with other projects. Now you can.

Install devbox then devbox install. This will install php8.2.

Then launch the environment and you're good to go.

• [x] How to handle LAMB_LOGIN_PASSWORD?
• [x] Should we use devbox service to spin up the local server?
• [ ] Should we add a badge to the readme?

[svandragt]

Needs verification and testing.

[svandragt]

Fixes #47

[svandragt]

• Upgraded PHP 8.2 as the latest version of Symphony's Yaml requires it.
• _How to handle LAMB_LOGINPASSWORD? composer comes with the PHP8.2 package so everything just works

[svandragt]

_Should we use devbox service to spin up the local server?_

No need to spin up a server