removes the sqlite dependency for tests, also brings back the option for
users to run zero persistence instances of tinyauth.
adds new mapErr fn for sqlc wrapper gen to prevent sql errors from
leaking out of the store implementation.
* feat: allow any HTTP method for /api/auth/envoy and restrict methods for non-envoy proxies
* feat: add Allow header for invalid methods in proxyHandler
* feat: add session max lifetime and fix refresh logic
* fix: set default value for created_at column and improve session expiration logic
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Co-authored-by: Stavros <steveiliop56@gmail.com>