Mark cbmc version 5.59.0

[NlightNFotis]

• 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.
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[codecov]

Codecov Report

Merging #6918 (5c7fb76) into develop (e42a46d) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop    #6918   +/-   ##
========================================
  Coverage    77.78%   77.78%           
========================================
  Files         1568     1568           
  Lines       180269   180269           
========================================
  Hits        140230   140230           
  Misses       40039    40039           

Impacted Files	Coverage Δ
src/util/config.cpp	57.85% <100.00%> (ø)

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