Add go:generate directive for protobuf #43418

Job	Run time
Build and Lint integration-tests	1m 16s
Check Paths That Require Tests To Run	9s
Get Solana Sha From Go Mod	24s
Enforce CTF Version	7s
Compare/Build Automation Test List	7s
Build Chainlink Image	2m 49s
Build Test Image	0s
Check If Solana Test Image Exists	9s
Get ProjectSerum Version	6s
Solana Build Artifacts	49s
Solana Build Test Image	1s
ETH Smoke Tests ${{ matrix.product.name }}	1s
ETH Smoke Tests ${{ matrix.product.name }}	1s
ETH Smoke Tests ${{ matrix.product.name }}${{ matrix.product.tag_suffix }}	1s
Version Migration Tests	1s
Solana Smoke Tests	1s
ETH Smoke Tests	6s
Clean up integration environment deployments	29s
ETH Smoke Tests Go Mod Cache	1s
	6m 38s

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