Lamb 0.5.1

It's been a while since 0.5.0. Changes:

Mainly third party package updates

Compatibility fixes for atom feed

Originally written on lamb-releases:

What's Changed

Create FUNDING.yml by @svandragt in #97 Bump symfony/yaml from 7.1.5 to 7.1.6 by @dependabot in #99 Bump squizlabs/php_codesniffer from 3.10.3 to 3.11.1 by @dependabot in #100