Reduce lock contention (#9)

* Disable http2

* Refactor to reduce lock contention

* Remove more locks and bump cache

* Bump up the buffer size

* only run goreleaser on tagged commits

* Update .github/workflows/release.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: mgomes