Add support of scala 3 for allure-scalatest

[fjfalcon]

Context

Add support of scala 3 for crossCompile, so users with scala 3 can use this library for allure reports

Checklist

• [x] Sign Allure CLA
• [x] Provide unit tests

[fjfalcon]

Maybe there need some more modifications to compile dependencies, so it will compile with scalatest_3 and scala-collection-compat_3