Reverse Replication - IT for Boundary values and extended map datatypes

[taherkl]

This PR introduces integration tests to validate the conversion of boundary values and map data types from Spanner to Cassandra. The tests ensure that extreme values for various data types, including int, bigint, decimal, float, double, date, timestamp, UUID, and inet, are accurately transferred and preserved.

• Boundary Value Testing: Inserts maximum and edge-case values of various data types into Spanner and verifies correctness in Cassandra.
• Map Data Type Validations: Ensures correct transformation and mapping of complex data structures between the two databases.
• String-Based Representations: Confirms that string representations used in Spanner translate accurately into native Cassandra types.
• Data Integrity Checks: Compares stored and retrieved values across systems to maintain precision.
• Robust Assertions: Uses comprehensive assertions to detect discrepancies and prevent potential conversion issues.

[codecov]

Codecov Report

Attention: Patch coverage is 15.15152% with 28 lines in your changes missing coverage. Please review.

Project coverage is 47.47%. Comparing base (613b9aa) to head (e1bfd5f).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...oud/teleport/v2/templates/codec/DurationCodec.java	6.66%	28 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2238      +/-   ##
============================================
+ Coverage     47.38%   47.47%   +0.08%     
- Complexity     4098     4434     +336     
============================================
  Files           880      881       +1     
  Lines         52590    52614      +24     
  Branches       5568     5570       +2     
============================================
+ Hits          24921    24978      +57     
+ Misses        25897    25861      -36     
- Partials       1772     1775       +3     

Components	Coverage Δ
spanner-templates	69.30% <15.15%> (-0.11%)	⬇️
spanner-import-export	65.85% <ø> (ø)
spanner-live-forward-migration	77.62% <ø> (ø)
spanner-live-reverse-replication	79.25% <15.15%> (-0.42%)	⬇️
spanner-bulk-migration	88.42% <ø> (ø)

Files with missing lines	Coverage Δ
.../dbutils/connection/CassandraConnectionHelper.java	97.77% <100.00%> (+0.15%)	⬆️
...oud/teleport/v2/templates/codec/DurationCodec.java	6.66% <6.66%> (ø)

... and 2 files with indirect coverage changes

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