SDKS-4828: Add legacy data models and migration steps for authenticator data

[vibhorgoswami]

JIRA Ticket

SDKS-4828

Description

Add a JSON-based approach with mechanisms containing nested account data (1-to-1 mapping) and migrates TOTP/HOTP credentials and Push credentials

[codecov]

Codecov Report

❌ Patch coverage is 0% with 655 lines in your changes missing coverage. Please review.
✅ Project coverage is 42.92%. Comparing base (74b0a2f) to head (391f43b).

Files with missing lines	Patch %	Lines
...ty/auth/migration/LegacyAuthenticatorRepository.kt	0.00%	377 Missing ⚠️
...tity/auth/migration/AuthenticatorMigrationSteps.kt	0.00%	71 Missing ⚠️
...identity/auth/migration/LegacyPassphraseManager.kt	0.00%	71 Missing ⚠️
...pingidentity/auth/migration/LegacyDataConverter.kt	0.00%	54 Missing ⚠️
...om/pingidentity/auth/migration/LegacyDataModels.kt	0.00%	47 Missing ⚠️
...n/com/pingidentity/auth/migration/AuthMigration.kt	0.00%	35 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop     #169      +/-   ##
=============================================
- Coverage      44.92%   42.92%   -2.01%     
  Complexity      1232     1232              
=============================================
  Files            302      305       +3     
  Lines           9389     9822     +433     
  Branches        1352     1470     +118     
=============================================
- Hits            4218     4216       -2     
- Misses          4630     5063     +433     
- Partials         541      543       +2     

Flag	Coverage Δ
integration-tests	24.72% <0.00%> (-1.27%)	⬇️
unit-tests	25.02% <0.00%> (-1.20%)	⬇️

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