Investigate suitability use of fixed launcher arg `max_old_space_size=512`

[Steve-Mcl]

Current Behavior

REF: https://discourse.nodered.org/t/flowfuse-device-agent-crashes-fatal-error-reached-heap-limit-allocation-failed-javascript-heap-out-of-memory/96822/5

Expected Behavior

Users flows should not be impacted

Steps To Reproduce

I dont have a repro, only conversational evidence.

Environment

• Device Agent Version: @flowfuse/device-agent@3.2.0 with Node-RED v3.1.8
• FlowFuse version:
• Node.js version: v20.19.1
• npm version:
• Platform/OS:
• Browser:

Have you provided an initial effort estimate for this issue?

I have provided an initial effort estimate

[Steve-Mcl]

User has confirmed that their issue was due to max_old_space_size=512
https://discourse.nodered.org/t/flowfuse-device-agent-crashes-fatal-error-reached-heap-limit-allocation-failed-javascript-heap-out-of-memory/96822/5?u=steve-mcl