feat: allowing multiple IPs for remote connection on MapdlPool

[germa89]

As the title.

It should allow to:

ips = [
    "123.45.67.01",
    "123.45.67.02",
    "123.45.67.03",
    "123.45.67.04",
    "123.45.67.05",
]

pool = MapdlPool(ip=ips)

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[codecov]

Codecov Report

Attention: Patch coverage is 96.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 84.47%. Comparing base (7c1eb1e) to head (7ac1a96).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3166      +/-   ##
==========================================
- Coverage   86.63%   84.47%   -2.17%     
==========================================
  Files          52       52              
  Lines        9550     9596      +46     
==========================================
- Hits         8274     8106     -168     
- Misses       1276     1490     +214     

[clatapie]

LGTM!