Update GCP to v8 #210

Job	Run time
Kubernetes integration tests	39m 41s
TypeScript lint checks	2m 49s
DigitalOceanCs integration tests	30m 15s
DigitalOceanJs integration tests	2m 41s
Go unit tests	3m 0s
DigitalOceanTs integration tests	30m 12s
.NET unit tests (testing-unit-cs)	2m 36s
DigitalOceanPy integration tests	30m 5s
.NET unit tests (testing-unit-cs-mocks)	3m 35s
DigitalOceanFs integration tests	2m 50s
Python unit tests	2m 41s
.NET unit tests (testing-unit-fs-mocks)	2m 49s
TypeScript unit tests	2m 15s
AwsCs integration tests	6m 11s
AwsJs integration tests	20m 8s
AwsTs integration tests	58m 22s
AwsPy integration tests	8m 14s
AwsFs integration tests	5m 33s
AzureCs integration tests	13m 29s
AzureJs integration tests	3m 1s
AzureTs integration tests	11m 14s
AzurePy integration tests	12m 36s
AzureFs integration tests	10m 51s
GcpCs integration tests	2m 45s
GcpJs integration tests	12m 38s
GcpTs integration tests	5m 53s
GcpPy integration tests	6m 11s
GcpFs integration tests	2m 41s
PacketCs integration tests	2m 35s
PacketJs integration tests	2m 57s
PacketTs integration tests	2m 37s
PacketPy integration tests	2m 43s
PacketFs integration tests	2m 45s
EquinixMetalCs integration tests	2m 41s
EquinixMetalJs integration tests	3m 1s
EquinixMetalTs integration tests	2m 17s
EquinixMetalPy integration tests	2m 48s
EquinixMetalFs integration tests	3m 20s
CloudCs integration tests	2m 58s
CloudJs integration tests	16m 6s
CloudTs integration tests	16m 30s
CloudPy integration tests	2m 42s
CloudFs integration tests	3m 0s
	6h 44m 16s

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