adjusted pettingzoo to PettingZooEnv simultaneous environment more co…

[Mytolo]

the pettingzoo environment previously featured both simultaneous and sequential trait of DynamicStyle. For the use in JuliaRL i focus on simultaneous style.

PR Checklist

• Update NEWS.md?
• Unit tests for all structs / functions?
• Integration and correctness tests using a simple env?
• PR Review?
• Add or update documentation?
• Write docstrings for new methods?

[codecov]

Codecov Report

Merging #925 (a81254f) into main (3182026) will decrease coverage by 10.67%.
The diff coverage is 0.00%.

@@             Coverage Diff             @@
##             main     #925       +/-   ##
===========================================
- Coverage   24.30%   13.64%   -10.67%     
===========================================
  Files         221      217        -4     
  Lines        7742     7571      -171     
===========================================
- Hits         1882     1033      -849     
- Misses       5860     6538      +678     

Impacted Files	Coverage Δ
...ironments/src/environments/3rd_party/pettingzoo.jl	0.00% <0.00%> (ø)
...Environments/src/environments/3rd_party/structs.jl	66.66% <ø> (ø)

... and 23 files with indirect coverage changes

[jeremiahpslewis]

Looks good to me. @HenriDeh you ok with the PR?

[HenriDeh]

I think so, I'm not familiar with pettingzoo or pycall so I'll trust you and @Mytolo

[jeremiahpslewis]

Merged, thanks @Mytolo!