chore(deps): bump @grpc/grpc-js from 1.12.4 to 1.12.6 in /proto #2202

Job	Run time
Run tests	3m 29s
Run lints and checks	2m 42s
Run buf actions	1m 18s
Run race tests	2m 55s
Generate SDKs	3m 18s
Build CLI docs	1m 6s
Generate changelog	0s
Generate release	0s
Draft newsletter	0s
Render version schema	0s
Send newsletter	0s
Pending approval Slack notification	0s
Release SDKs	0s
	14m 48s

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