Extension host terminated unexpectedly periodically since update to 1.64

[jonny-harte]

Issue Type: Bug

Since updating last weekend I've been periodically getting 'Extension host terminated unexpectedly'. I haven't been able to track down which Extension of what circumstances causes it happen.

Extension version: 1.20.0
VS Code version: Code 1.64.1 (d6ee99e4c045a6716e5c653d7da8e9ae6f5a8b03, 2022-02-07T17:29:17.911Z)
OS version: Darwin arm64 21.2.0
Restricted Mode: No

System Info

Item	Value
CPUs	Apple M1 Pro (8 x 24)
GPU Status	2d_canvas: enabled gpu_compositing: enabled metal: disabled_off multiple_raster_threads: enabled_on oop_rasterization: enabled opengl: enabled_on rasterization: enabled skia_renderer: disabled_off_ok video_decode: enabled webgl: enabled webgl2: enabled
Load (avg)	68, 63, 62
Memory (System)	16.00GB (0.57GB free)
Process Argv	--crash-reporter-id 040328b8-1615-40c9-a234-19798a9b2adb
Screen Reader	no
VM	0%

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