Move util scripts to scripts/util

[danish9039]

Which problem is this PR solving?

part of

• Reorganize scripts/ folder #6429

Description of the changes

• moved util scripts to scripts/util

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.31%. Comparing base (e9eb59e) to head (1563b65).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6463      +/-   ##
==========================================
+ Coverage   96.28%   96.31%   +0.02%     
==========================================
  Files         371      371              
  Lines       21173    21173              
==========================================
+ Hits        20387    20392       +5     
+ Misses        602      598       -4     
+ Partials      184      183       -1     

Flag	Coverage Δ
badger_v1	10.74% <ø> (ø)
badger_v2	2.80% <ø> (ø)
cassandra-4.x-v1-manual	16.62% <ø> (ø)
cassandra-4.x-v2-auto	2.73% <ø> (ø)
cassandra-4.x-v2-manual	2.73% <ø> (ø)
cassandra-5.x-v1-manual	16.62% <ø> (ø)
cassandra-5.x-v2-auto	2.73% <ø> (ø)
cassandra-5.x-v2-manual	2.73% <ø> (ø)
elasticsearch-6.x-v1	20.31% <ø> (ø)
elasticsearch-7.x-v1	20.38% <ø> (-0.01%)	⬇️
elasticsearch-8.x-v1	20.54% <ø> (-0.01%)	⬇️
elasticsearch-8.x-v2	2.79% <ø> (-0.01%)	⬇️
grpc_v1	12.38% <ø> (-0.01%)	⬇️
grpc_v2	9.14% <ø> (-0.01%)	⬇️
kafka-3.x-v1	10.58% <ø> (ø)
kafka-3.x-v2	2.80% <ø> (ø)
memory_v2	2.80% <ø> (ø)
opensearch-1.x-v1	20.43% <ø> (ø)
opensearch-2.x-v1	20.43% <ø> (ø)
opensearch-2.x-v2	2.79% <ø> (ø)
tailsampling-processor	0.52% <ø> (ø)
unittests	95.18% <ø> (+0.02%)	⬆️

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[yurishkuro]

@danish9039 we already have a utils subfolder, the files should've gone there.