[SDK-3669] Add StoreInterface bridge for Laravel Sessions

[evansims]

Changes

This PR:

• Adds Auth0\Laravel\Store\LaravelSession — a StoreInterface bridge to enable Auth0-PHP SDK to use Laravel's native Sessions API. This should improve our SDK support for Octane.
• Adds Auth0\Laravel\Cache\LaravelCachePool and Auth0\Laravel\Cache\LaravelCacheItem to enable Auth0-PHP SDK to use Laravel's native Cache API for JWKS cache storage.
• Adds Auth0\Laravel\Event\Configuration\Built — an Event type that apps can listen for, enabling them to intercept and manipulate SDK configurations dynamically before they are handed to the underlying Auth0-PHP SDK.
• This version drops support for PHP 7.4 ahead of the official deprecation in November, due to changes in the PHP 8.0 runtime and type strictness, it is not possible to maintain compatibility for CacheItemPoolInterface between 7.x and 8.x.

This PR also makes the following unrelated adjustments, necessary for the build to succeed:

• Updates GitHub Workflows to drop PHP 7.4 checks, and add PHP 8.2 checks.

References

Resolves #299

Testing

Contributor Checklist

• I have read the Auth0 general contribution guidelines
• I have read the Auth0 code of conduct

[codecov]

Codecov Report

Base: 13.17% // Head: 11.44% // Decreases project coverage by -1.72% ⚠️

Coverage data is based on head (ebb2c40) compared to base (11e68db).
Patch coverage: 11.14% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #307      +/-   ##
============================================
- Coverage     13.17%   11.44%   -1.73%     
- Complexity      132      199      +67     
============================================
  Files            19       23       +4     
  Lines           334      559     +225     
============================================
+ Hits             44       64      +20     
- Misses          290      495     +205     

Impacted Files	Coverage Δ
src/Auth/Guard.php	0.00% <0.00%> (ø)
src/Auth/User/Provider.php	0.00% <0.00%> (ø)
src/Auth/User/Repository.php	0.00% <0.00%> (ø)
src/Cache/LaravelCacheItem.php	0.00% <0.00%> (ø)
src/Contract/Model/User.php	0.00% <0.00%> (ø)
src/Event/Configuration/Built.php	0.00% <0.00%> (ø)
src/Event/Stateful/AuthenticationFailed.php	0.00% <0.00%> (ø)
src/Event/Stateful/AuthenticationSucceeded.php	0.00% <0.00%> (ø)
src/Http/Controller/Stateful/Callback.php	0.00% <0.00%> (ø)
src/Http/Controller/Stateful/Login.php	0.00% <0.00%> (ø)
... and 13 more

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