Always include the Pyomo micro version number

[jsiirola]

Fixes #2255

Summary/Motivation:

This updates Pyomo to always include the micro version number, even when it is 0.

Changes proposed in this PR:

• Always report version as major.minor.micro

Legal Acknowledgement

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1. I agree my contributions are submitted under the BSD license.
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.

[codecov]

Codecov Report

Merging #2265 (d3a7bc9) into main (e0b5873) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #2265      +/-   ##
==========================================
- Coverage   84.21%   84.21%   -0.01%     
==========================================
  Files         607      607              
  Lines       76191    76191              
==========================================
- Hits        64167    64165       -2     
- Misses      12024    12026       +2     

Flag	Coverage Δ
linux	81.98% <100.00%> (ø)
osx	72.42% <100.00%> (ø)
other	81.94% <100.00%> (ø)
win	79.06% <100.00%> (ø)

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Impacted Files	Coverage Δ
pyomo/version/info.py	78.57% <100.00%> (ø)
pyomo/solvers/plugins/solvers/ASL.py	90.00% <0.00%> (-1.43%)	⬇️

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