chore: update GitHub Actions to Node.js 24 compatible versions

[lykinsbd]

Summary

Update all GitHub Actions across the 3 workflow files to Node.js 24 compatible versions ahead of the June 2, 2026 deadline.

Closes #143

Changes

release.yml (8 actions → 7 bumped + 1 replaced)

Action	Before	After
actions/checkout	@v4	@v6
actions/setup-go	@v5	@v6
docker/setup-qemu-action	@v3	@v4
docker/setup-buildx-action	@v3	@v4
docker/login-action	@v3	@v4
anchore/sbom-action/download-syft	@v0.23.0	@v0.24.0
goreleaser/goreleaser-action	@v6	@v7
kenji-miyake/setup-git-cliff	@v2	Replaced with curl install

Note: kenji-miyake/setup-git-cliff was archived on April 7, 2025 and will never receive a Node 24 update. Replaced with a direct curl install of the git-cliff binary from the upstream repo, which avoids any Node runtime dependency.

test.yml (3 bumped, 3 unchanged)

Action	Before	After
actions/checkout	@v4	@v6
actions/setup-go	@v5	@v6
actions/upload-artifact	@v4	@v6
golangci/golangci-lint-action	@v9	no change (already Node 24)
vladopajic/go-test-coverage	@v2	no change (Go binary)
fgrosse/go-coverage-report	@v1.1.1	@v1.3.0

docs.yml (2 bumped)

Action	Before	After
actions/checkout	@v4	@v6
actions/setup-python	@v5	@v6

Testing

• The test workflow will run on this PR branch and validate the updated actions work correctly
• Release workflow changes can only be fully validated on a tag push, but the action versions are all confirmed to exist and be stable releases
• Docs workflow triggers only on master push to docs/** paths