Mark cbmc version 5.39.2

[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.
• White-space or formatting changes outside the feature-related changed lines are in commits of their own.

[codecov]

Codecov Report

Merging #6355 (9d774a7) into develop (0c2ff32) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #6355   +/-   ##
========================================
  Coverage    75.90%   75.90%           
========================================
  Files         1515     1515           
  Lines       164002   164002           
========================================
  Hits        124482   124482           
  Misses       39520    39520           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 76ff675...9d774a7. Read the comment docs.