updated importlib.resources to stop using deprecated path function

[azaidi06]

Fixes

This resolves issue #1542

Summary/Motivation:

importlib.resources.path is deprecated and importlib.resources.files is the remedy for all python version applicable in IDAES (3.9+)

Changes proposed in this PR:

updated importlib.resrouces functionality to now use "files" function instead of "path"

Legal Acknowledgement

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1. I agree my contributions are submitted under the license terms described in the LICENSE.txt file at the top level of this directory.
2. I represent I am authorized to make the contributions and grant the license. If my employer has rights to intellectual property that includes these contributions, I represent that I have received permission to make contributions and grant the required license on behalf of that employer.

[lbianchi-lbl]

This is ready to go pending these minor fixes

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.85%. Comparing base (997c3a5) to head (0e36cfe).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1550      +/-   ##
==========================================
- Coverage   76.85%   76.85%   -0.01%     
==========================================
  Files         394      394              
  Lines       63233    63233              
  Branches    10355    10355              
==========================================
- Hits        48598    48595       -3     
- Misses      12190    12194       +4     
+ Partials     2445     2444       -1     

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