Switch to actions/setup-node@v3 in test-secondary
Switch to actions/setup-node@v3 in test-secondary

Fixes: f406ed918241 (".github: test with latest version of Node.js")
Signed-off-by: Kevin Locke <ffb4761cba839470133bee36aeb139f58d7dbaa9@kevinlocke.name>

kevinoid/promised-read,kevinoid/promised-read,kevinoid/promised-read