chore(deps): bump google.golang.org/grpc from 1.67.1 to 1.68.0 #2027

Job	Run time
Run buf actions	1m 14s
Run tests	2m 58s
Run race tests	1m 56s
Run lints and checks	3m 26s
Build CLI docs	54s
Generate SDKs	3m 18s
Generate changelog	0s
Generate release	0s
Render version schema	0s
Draft newsletter	0s
Pending approval Slack notification	0s
Send newsletter	0s
Release SDKs	0s
	13m 46s

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