Bump konserve 0.9.342 -> 0.9.346

Picks up the switch to replikativ.logging, fixing missing transitive
dependency reported in replikativ/datahike-lmdb#1.

Add beta status note to README

Migrate to org.replikativ namespace

- Update dependencies to org.replikativ/konserve 0.9.342
- Update build.clj to publish as org.replikativ/konserve-lmdb
- Update README.md with new namespace examples
- Tests: 12 tests, 154 assertions, 0 failures

Use new konserve version.

Support new konserve version.

Add multimethod dispatch support for unified store interface.

- Register :lmdb backend with store/connect-store, store/create-store, store/store-exists?, store/delete-store, store/release-store multimethods
- Wrap all dispatch methods with async+sync macro for polymorphic sync/async execution
- All protocol implementations already support async/sync polymorphism
- Enables unified store dispatch from konserve.store

Add release function for GitHub releases