[RFC] Add google/fuzztest

[esigo]

Fixes #2247 (issue)

Changes

This PR adds fuzzing using google/fuzztest. This will enable us to add and execute fuzz tests.

TODOs

• limit the time of test
• add CI

example run can be found here.
Please provide a brief description of the changes here.

For significant contributions please make sure you have completed the following items:

• CHANGELOG.md updated for non-trivial changes
• Unit tests have been added
• Changes in public API reviewed

[codecov]

Codecov Report

Merging #2246 (0080880) into main (71d0e50) will increase coverage by 0.02%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2246      +/-   ##
==========================================
+ Coverage   87.41%   87.43%   +0.02%     
==========================================
  Files         199      199              
  Lines        6052     6052              
==========================================
+ Hits         5290     5291       +1     
+ Misses        762      761       -1     

see 1 file with indirect coverage changes

[lalitb]

Just to add, this was discussed in one of the earlier community meetings, we can add a more realistic example to demonstrate the use of fuzztest for better understanding of this.

[esigo]

Will reopen with new example.