feat(litestar): server side session backend

[cofin]

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Implements a server side session backend using SQLAlchemy. Works with an Async or Sync configuration.

[codecov-commenter]

Codecov Report

:x: Patch coverage is 85.39554% with 72 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 78.61%. Comparing base (07ed2cc) to head (e0b22c6).

Files with missing lines	Patch %	Lines
advanced_alchemy/extensions/litestar/store.py	81.95%	33 Missing and 15 partials :warning:
advanced_alchemy/extensions/litestar/session.py	88.83%	20 Missing and 4 partials :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #429      +/-   ##
==========================================
- Coverage   88.35%   78.61%   -9.75%     
==========================================
  Files          84       86       +2     
  Lines        5661     6149     +488     
  Branches      728      771      +43     
==========================================
- Hits         5002     4834     -168     
- Misses        441     1068     +627     
- Partials      218      247      +29     

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[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
90.8% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
86.7% Coverage on New Code
0.9% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions[bot]]

Documentation preview will be available shortly at https://litestar-org.github.io/advanced-alchemy-docs-preview/429