refactor: split release job into independent jobs in separate workflow

[cx-shahar-kazaz]

• Extract release jobs from ci.yml to new release.yml workflow
• Split monolithic release into 4 independent jobs (cargo, 2x npm, github)
• Use workflow_call for explicit release triggering from CI
• Enable parallel execution and individual job retry on failure
• Use checkout v4

[chatgpt-codex-connector]

💡 Codex Review

protofetch/.github/workflows/ci.yml

Lines 189 to 193 in 0bed3a6

	- name: Download artifacts
	uses: actions/download-artifact@v4
	with:
	name: package-${{ matrix.os.platform }}
	path: artifacts

Update npm test job to download renamed artifacts

The build job now uploads artifacts as protofetch_${{ matrix.target.rust }} but the subsequent test-npm-package job still requests package-${{ matrix.os.platform }}. actions/download-artifact@v4 will fail to find a matching artifact for every matrix entry, so the npm tests can no longer run. The artifact names should be aligned with the new prefix before merging.

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[ocombe]

sounds good but I have my doubts on the npm token working for both names

[cx-shahar-kazaz]

@ocombe I'm using 2 different tokens