fix: run Electron artifact builds in the bounded worker [CI SKIP]

scripts/artifact.Dockerfile

@@ -0,0 +1,14 @@
+# syntax=docker/dockerfile:1
+FROM node:22-bookworm-slim AS build
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends ca-certificates curl git python3 make g++ \
+  && rm -rf /var/lib/apt/lists/*
+WORKDIR /workspace
+COPY source/ ./
+COPY runner.cjs /build-runner.cjs
+ARG BUILD_REQUEST_ID
+RUN --mount=type=secret,id=build-config,required=true \
+  test -n "$BUILD_REQUEST_ID" && timeout --signal=TERM --kill-after=10s 1800 node /build-runner.cjs
+
+FROM scratch AS artifact
+COPY --from=build /build-output/ /