Add data structures for setting different smt2 logics in incremental solving

[thomasspriggs]

This PR adds data structures for setting different smt2 logics in incremental solving. Raised in response to this comment chain on my preceding PR - #6240 (comment)

• Each commit message has a non-empty body, explaining why the change was made.
• Methods or procedures I have added are documented, following the guidelines provided in CODING_STANDARD.md.
• The feature or user visible behaviour I have added or modified has been documented in the User Guide in doc/cprover-manual/
• Regression or unit tests are included, or existing tests cover the modified code (in this case I have detailed which ones those are in the commit message).
• My commit message includes data points confirming performance improvements (if claimed).
• My PR is restricted to a single feature or bugfix.
• White-space or formatting changes outside the feature-related changed lines are in commits of their own.

[codecov]

Codecov Report

Merging #6254 (ccfbaee) into develop (5dd2519) will decrease coverage by 0.03%.
The diff coverage is 58.78%.

@@             Coverage Diff             @@
##           develop    #6254      +/-   ##
===========================================
- Coverage    76.22%   76.18%   -0.04%     
===========================================
  Files         1482     1484       +2     
  Lines       161866   162092     +226     
===========================================
+ Hits        123383   123495     +112     
- Misses       38483    38597     +114     

Impacted Files	Coverage Δ
src/solvers/flattening/boolbv.h	76.19% <ø> (ø)
src/solvers/smt2_incremental/smt_logics.cpp	30.00% <ø> (-11.67%)	⬇️
src/solvers/smt2_incremental/smt_logics.h	100.00% <ø> (ø)
...rc/solvers/smt2_incremental/smt_to_smt2_string.cpp	92.37% <ø> (-0.13%)	⬇️
unit/util/piped_process.cpp	28.57% <28.57%> (ø)
src/util/piped_process.cpp	75.00% <75.00%> (ø)
src/ansi-c/parser.y	79.26% <87.50%> (ø)
src/goto-instrument/contracts/contracts.cpp	91.93% <88.67%> (ø)
src/ansi-c/c_typecheck_code.cpp	78.43% <100.00%> (ø)
src/solvers/smt2_incremental/smt_logics.def	100.00% <100.00%> (ø)
... and 7 more

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