Support resource_class in cypress/run job

[ofekudi]

Hello 😄
I upgraded your orb version from 1.28.0 to 3.4.2, and my build started crashing during YARN installation due to memory issues.
Therefore, I tried increasing the machine's memory and CPU, by adding "resource_class".

According to CircleCI it should be supported:

Unfortunately, when I try setting it I received the following error on CircleCI:

It worked in the previous version, so can you add the option to set this property?
Thanks