add @peterschrammel as code owner to /src/solvers/floatbv

[kroening]

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.85%. Comparing base (c66ffbe) to head (ae83943).
Report is 3 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #8580   +/-   ##
========================================
  Coverage    78.85%   78.85%           
========================================
  Files         1732     1732           
  Lines       199119   199119           
  Branches     18560    18560           
========================================
  Hits        157023   157023           
  Misses       42096    42096           

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[peterschrammel]

I wouldn't expect thomasspriggs is going to contribute anymore.

[tautschnig]

Even if Thomas does: given Thomas lacks write access at this point, code ownership wouldn't entail a sufficient approval anymore.