fix: add x86_64-unknown-linux-musl build target

[Bortlesboat]

Summary

• Add x86_64-unknown-linux-musl to cargo-dist build targets in dist-workspace.toml
• Fixes npm install failure on musl-based Linux systems (Alpine, NixOS, Docker scratch)

Fixes #86

Problem

When installing via npm on a musl-based Linux system, the install script detects glibc incompatibility and tries to fall back to a static musl binary. However, no musl target was configured, so the fallback fails with:

Platform with type "Linux" and architecture "x64" is not supported

Solution

Add x86_64-unknown-linux-musl to the targets list so cargo-dist builds and publishes a statically-linked musl binary alongside the glibc variant. The npm install script's existing musl fallback logic will then find and use this binary.

Test plan

• CI release pipeline builds the musl target successfully
• npm install works on Alpine Linux / musl-based containers

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[changeset-bot]

🦋 Changeset detected

Latest commit: 83256ba

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@googleworkspace/cli	Patch

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[jpoehnelt]

Need cla signed.

[Bortlesboat]

I have signed the Google CLA — please re-check.

[jpoehnelt]

conflicts to resolve

[Bortlesboat]

Rebased and resolved the conflicts with the new aarch64 targets on main. Ready for review.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 55.19%. Comparing base (f6d74b0) to head (f5af70d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #112   +/-   ##
=======================================
  Coverage   55.19%   55.19%           
=======================================
  Files          38       38           
  Lines       13166    13166           
=======================================
  Hits         7267     7267           
  Misses       5899     5899           

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