Bumping pyomo tag (6.6.2 prerelease)

[jsiirola]

Fixes

Summary/Motivation:

This bumps the Pyomo tag in preparation for the August release.

Changes proposed in this PR:

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[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01% ⚠️

Comparison is base (52d7d5c) 76.84% compared to head (0218a2e) 76.83%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1231      +/-   ##
==========================================
- Coverage   76.84%   76.83%   -0.01%     
==========================================
  Files         390      390              
  Lines       61885    61885              
  Branches    11391    11391              
==========================================
- Hits        47555    47552       -3     
- Misses      11867    11871       +4     
+ Partials     2463     2462       -1     

see 1 file with indirect coverage changes

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[andrewlee94]

LGTM

[jsiirola]

@andrewlee94, the expr.current PR has been merged upstream. Do we want to merge this and bump the version again in #1234, or just bump the version here and ignore the deprecation warnings for a little while?

[andrewlee94]

@jsiirola I was going to merge this first, not that it really matters. I was just teaching @strahlw how to create and push a tag and then update the tag in his PR.

[andrewlee94]

Closing this as it is superseded by #1234