ci: the step budget rests on the step's own clock - #9

issue in macSCPCoreTests.ConnectMainActorLivenessTests/awaitingTheConnectorDoesNotKeepTheMainActor()/ConnectMainActorLivenessTests.swift:413:6: Issue recorded | liveness: test1 ambient=3.804012959 seconds gap=7.77428425 seconds ceiling=4.0 seconds — NOT ASSERTED. The ambient control is above 0.5 seconds, so this run has not shown that the instrument can tell a block from its own scheduling noise, and the gap has no verdict to give. Measured over 7 ticks.

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/