Benchmark to measure multi-stage block serde cost

[gortiz]

This PR adds a benchmark that measures the cost of creating, serializing and deserializing multi-stage blocks.

This should be compared with results in #13303

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.56%. Comparing base (59551e4) to head (02421fd).
Report is 566 commits behind head on master.

Additional details and impacted files

@@              Coverage Diff              @@
##             master   #13336       +/-   ##
=============================================
- Coverage     61.75%   46.56%   -15.19%     
- Complexity      207     1096      +889     
=============================================
  Files          2436     1939      -497     
  Lines        133233   102921    -30312     
  Branches      20636    16557     -4079     
=============================================
- Hits          82274    47929    -34345     
- Misses        44911    51443     +6532     
+ Partials       6048     3549     -2499     

Flag	Coverage Δ
custom-integration1	?
integration	?
integration1	?
integration2	?
java-11	46.56% <ø> (-15.15%)	⬇️
java-21	?
skip-bytebuffers-false	46.56% <ø> (-15.18%)	⬇️
skip-bytebuffers-true	?
temurin	46.56% <ø> (-15.19%)	⬇️
unittests	46.56% <ø> (-15.18%)	⬇️
unittests1	46.56% <ø> (-0.33%)	⬇️
unittests2	?

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