perf: pre-compile regex in RegexMatch using cached compilation (#1721)

RegexMatch() called regexp.MatchString() which recompiles the pattern on
every invocation. Use the existing mustCompileOrGet() cache instead.

Ref #1690

Co-authored-by: tengtian <tengtianmoemoe@gamil,com>

feat: auto release snapshot versions now (#1728)

feat: auto release snapshot versions now (#1726)

feat: add Explain() API to explain the authorization decisions via LL…

…M API (#1678)

feat: integrate default detector into Enforcer (#1665)

fix: improve CI benchmark table in PR (#1663)

fix: fix "Undefined function g" error by copying RM fields in Asserti…

…on.copy() (#1658)

feat: add GetAllUsers() API to separate users from roles (#1652)

feat: add logger integration to Casbin core enforcement and policy AP…

…Is (#1651)

feat: add DefaultLogger (#1648)