chore(deps): bump @openapitools/openapi-generator-cli from 2.7.0 to 2.15.3 #2019

Job	Run time
Run buf actions	1m 23s
Run tests	3m 12s
Run race tests	1m 59s
Run lints and checks	2m 39s
Generate SDKs	3m 27s
Build CLI docs	59s
Generate changelog	0s
Generate release	0s
Draft newsletter	0s
Render version schema	0s
Send newsletter	0s
Pending approval Slack notification	0s
Release SDKs	0s
	13m 39s

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