v0.7.1: bugfixes

browsergym-core

• Depencency bump
  • playwright dependency bumped from playwright>=1.32,<1.40 to playwright>=1.39,==1.* (fixes problems with 1.32.1) #159

browsergym-experiments

• Bugfixes
  • #155 introduced a bug when agents returns action==None. This was fixed by #163