[WIP] Bumping Pyomo in preparation for the 6.4.2 release

[blnicho]

Summary/Motivation:

DO NOT MERGE

Opening this to check IDAES tests against Pyomo main before we cut the release tomorrow.

Changes proposed in this PR:

Legal Acknowledgement

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[codecov[bot]]

Codecov Report

Merging #934 (442cf3f) into main (518cf5c) will decrease coverage by 0.00%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #934      +/-   ##
==========================================
- Coverage   70.07%   70.06%   -0.01%     
==========================================
  Files         573      573              
  Lines       64007    64007              
  Branches    12053    12053              
==========================================
- Hits        44850    44847       -3     
- Misses      16868    16872       +4     
+ Partials     2289     2288       -1     

Impacted Files	Coverage Δ
idaes/ver.py	61.53% <0.00%> (-4.62%)	:arrow_down:

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