chore: upgrade toolchain to latest Elixir/Erlang/Rust#12
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Bump .tool-versions to Elixir 1.20.0 / OTP 29.0 / Rust 1.93.1 and update the CI test matrix to the three latest Elixir/OTP pairs. OTP 29 also resolves the ssl key_usage_mismatch regression (erlang/otp#9208, fixed by #9286) present in OTP 27.1.3-27.2, which broke precompiled-NIF downloads from the GitHub release CDN during `mix hex.publish`. Remove an unused `require Logger` newly flagged by Elixir 1.20's unused-require warning. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
.tool-versionsto Elixir 1.20.0 / OTP 29.0 / Rust 1.93.1.matrix-testto the three latest Elixir/OTP pairs (1.20.0/29.0, 1.19.5/28.4, 1.18.4/27.3.4.4); drop EOL 1.16/1.17 & OTP 26.require Loggernewly flagged by Elixir 1.20's unused-require warning.Why
The
v0.7.0hex publish failed: the Publish job's precompiled-NIF download from the GitHub release CDN hit an OTP:sslkey_usage_mismatchfatal alert. This is the OTP 27.1.3–27.2 regression (erlang/otp#9208, fixed by #9286). The repo was pinned to OTP 27.2 — squarely in the broken window. Moving to OTP 29 resolves it.Test plan
mix compile --warnings-as-errorsclean on Elixir 1.20.0 / OTP 29.0mix test→ 142 passed, 1 skipped on Elixir 1.20.0 / OTP 29.0🤖 Generated with Claude Code