feat: add redis-caching (#17)

* feat: add redis-caching

* fix: update

* fix: update

* fix: fmt update

* fix: fmt update

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Co-authored-by: alonexy <hpl1124@126.com>

test: migrate phpunit configuration

BREAKING CHANGE: upgrade to PHP 8.0 and PHP-Casbin 4.0 (#14)

fix: Doctrine 4 fix (#13)

* Fix method calls for Doctrine 4

* Add a simple PSR-3 logger when testing with Doctrine 4

feat: Added doctrine/dbal v4.0. (#7)

* #6 Added doctrine/dbal v4.0.

* fix: Apply suggestions from code review

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Co-authored-by: Jon <techlee@qq.com>

ci: update ci config

Merge pull request #4 from php-casbin/develop

feat: implements updateFilteredPolicies

Merge pull request #3 from basakest/update-policies

feat: support updatePolicies method

Merge pull request #2 from basakest/fix-addPolicies

fix: addPolicies doesn't insert the value of p_type

feat: use 'Github Actions' to run tests and auto release