Limit concurrent NativeAOT compiles to stop MSBuild nodes dying of memory pressure [CI]

ci/build-linux-agent.sh

@@ -49,8 +49,8 @@ commit_epoch="$(git -C "$root" show -s --format=%ct "$CI_COMMIT_SHA")"
 built_at="$(date -u -d "@$commit_epoch" +%Y-%m-%dT%H:%M:%SZ)"
 python3 "$root/ci/stage-node-image.py" agent "$rid" "$context"
 local_image="localhost/moshiro-agent-binaries:$rid"
-# Buildah --jobs runs independent native-link stages concurrently.
-python3 "$root/ci/run-with-timeout.py" 1800 buildah bud --layers --force-rm --jobs 2 --network host \
+# 一次只放 MOSHIRO_AOT_SLOTS 个 NativeAOT 编译进来（见 ci/with-aot-slot.sh）；一个 RID 内 Agent 和注册工具依次编，--jobs 1
+bash "$root/ci/with-aot-slot.sh" python3 "$root/ci/run-with-timeout.py" 1800 buildah bud --layers --force-rm --jobs 1 --network host \
   --tls-verify=true --ulimit nofile=65536:65536 --volume "$nuget_packages:/root/.nuget/packages:ro,z" --arch amd64 \
   --build-arg "NATIVEAOT_RESTORE_IMAGE=$restore_image" \
   --build-arg "NODE_RID=$rid" --build-arg "STATIC_MSQUIC=$static_msquic" \