ci: fix SDK package version validation

Summary

• Removes the invalid Rust crate version check from SDK package publishing.
• Validates the release version as semver before injecting it into npm and RubyGems packages.
• Installs only Ruby and Node in the SDK package publishing job.

Testing

• bash -n mise/tasks/release/publish-sdks.sh
• git diff --check
• rg -n "—" mise/tasks/release/publish-sdks.sh .github/workflows/release.yml

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