[Snyk] Security upgrade @openapitools/openapi-generator-cli from 2.6.0 to 2.8.0 #1

Job	Run time
Generate SDKs	1m 33s
Run OIDC conformity tests	13m 29s
Run tests and lints	14m 13s
Run end-to-end tests (memory)	5m 3s
Run HSM tests	6m 26s
Run end-to-end tests (memory, --jwt)	4m 59s
Run end-to-end tests (postgres)	4m 59s
Run end-to-end tests (postgres, --jwt)	4m 55s
Run end-to-end tests (mysql)	5m 0s
Run end-to-end tests (mysql, --jwt)	5m 18s
Run end-to-end tests (cockroach)	5m 35s
Run end-to-end tests (cockroach, --jwt)	5m 30s
Build CLI docs	1m 3s
Generate changelog	0s
Generate release	0s
Draft newsletter	0s
Release SDKs	0s
Render version schema	0s
Pending approval Slack notification	0s
Send newsletter	0s
	1h 18m 3s

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