feat(partitions): add consensus per partition and extra

[numinnex]

Implement StoreConsumerOffset and DeleteConsumerOffset as replicated operations on partition. Additionally move partitions to an consensus per partition model, rather than relying on one instance of consensus for all of the partitions.

[codecov]

Codecov Report

❌ Patch coverage is 43.55920% with 758 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.58%. Comparing base (f5350d9) to head (b769464).

Files with missing lines	Patch %	Lines
core/partitions/src/iggy_partition.rs	36.86%	550 Missing and 10 partials ⚠️
core/consensus/src/observability.rs	39.34%	74 Missing ⚠️
core/partitions/src/types.rs	0.00%	37 Missing ⚠️
core/partitions/src/offset_storage.rs	0.00%	33 Missing ⚠️
core/shard/src/lib.rs	85.12%	27 Missing and 2 partials ⚠️
core/partitions/src/iggy_partitions.rs	48.14%	14 Missing ⚠️
core/simulator/src/client.rs	0.00%	11 Missing ⚠️

❌ Your patch check has failed because the patch coverage (43.55%) is below the target coverage (50.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3071      +/-   ##
============================================
- Coverage     72.76%   72.58%   -0.18%     
  Complexity      943      943              
============================================
  Files          1117     1117              
  Lines         96368    96380      +12     
  Branches      73544    73573      +29     
============================================
- Hits          70119    69958     -161     
- Misses        23702    23848     +146     
- Partials       2547     2574      +27     

Components	Coverage Δ
Rust Core	73.30% <43.55%> (-0.20%)	⬇️
Java SDK	62.30% <ø> (ø)
C# SDK	69.10% <ø> (-0.33%)	⬇️
Python SDK	81.43% <ø> (ø)
Node SDK	91.40% <ø> (-0.13%)	⬇️
Go SDK	39.41% <ø> (ø)

Files with missing lines	Coverage Δ
core/binary_protocol/src/consensus/operation.rs	94.36% <100.00%> (+0.16%)	⬆️
core/binary_protocol/src/dispatch.rs	90.99% <100.00%> (+0.08%)	⬆️
core/partitions/src/journal.rs	26.85% <100.00%> (+8.41%)	⬆️
core/partitions/src/lib.rs	0.00% <ø> (ø)
core/shard/src/router.rs	0.00% <ø> (ø)
core/simulator/src/lib.rs	84.43% <100.00%> (+0.56%)	⬆️
core/simulator/src/replica.rs	100.00% <100.00%> (ø)
core/simulator/src/client.rs	42.55% <0.00%> (-3.61%)	⬇️
core/partitions/src/iggy_partitions.rs	43.65% <48.14%> (+11.97%)	⬆️
core/shard/src/lib.rs	80.03% <85.12%> (-6.97%)	⬇️
... and 4 more

... and 21 files with indirect coverage changes

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