Prepped a <release branch for 5.5.4>, so far only ...

# kotest-contributors

[Emil Kantis]

Prepped a release branch for 5.5.4, so far only includes the gradle filter fix from @mitch. I'll head to bed and we can get it out tomorrow. If there's more bug fixes feel free to add them.

[mitch]

thank you @Emil Kantis!!

[Emil Kantis]

time to 🚢