PHP 8.2 fix

Update composer.json

Update composer.lock

make scssserver compatible with scssphp 1.5.0 (#5)

Authored-by: Tim Schoondergang <tim.schoondergang@timmit.nl>

Squashed commits:
* some little changes because op Deprecation warnings
* make it oldstyle again
* better example in readme
* force scssphp 1.5.0 and up

Fix broken test

Migrated from scssphp/scssphp 1.0.6