fix(ci): expose GHA sccache env in shadow-shared-cpu-spike (#950) #259

Job	Run time
Compute Versions	45s
Build Gateway Binary (macOS)	12m 29s
Build CLI (macOS)	40m 30s
Build Python Wheel (macOS)	17m 30s
Build Python Wheels (Linux amd64)	2m 18s
Build Gateway Binary (Linux amd64)	2m 44s
Build Python Wheels (Linux arm64)	3m 3s
Build CLI (Linux arm64)	3m 22s
Build CLI (Linux amd64)	2m 43s
Build Supervisor Binary (Linux arm64)	2m 12s
Build Supervisor Binary (Linux amd64)	2m 52s
Build Gateway Binary (Linux arm64)	2m 23s
build-cluster / Build cluster	3m 59s
build-supervisor / Build supervisor	2m 52s
build-gateway / Build gateway	16m 7s
Tag GHCR Images as Dev	12s
e2e / E2E (rust)	10m 2s
e2e / E2E (gateway-resume)	6m 56s
e2e / E2E (python)	7m 28s
Release Dev	25s
Trigger Wheel Publish	5s
	2h 20m 57s

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