Remove otelgrpc pinned dependency #334

Job	Run time
build / Build	7m 33s
E2E Tests (startup)	7m 9s
Docker Tests (basics)	1m 11s
E2E Tests (s3)	7m 13s
Docker Tests (bootstraptoken)	58s
Docker Tests (cacerts)	53s
E2E Tests (btrfs)	4m 39s
Docker Tests (compat)	2m 32s
E2E Tests (externalip)	4m 25s
Docker Tests (lazypull)	51s
E2E Tests (privateregistry)	9m 57s
Docker Tests (upgrade)	2m 18s
E2E Tests (embeddedmirror)	6m 9s
E2E Tests (wasm)	3m 56s
	59m 44s

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