Bump smartcontractkit/chainlink-github-actions from 2.2.13 to 2.2.15 #37309

Job	Run time
Check Paths That Require Tests To Run	10s
Get Solana Sha From Go Mod	5s
Get ProjectSerum Version	4s
Check If Solana Test Image Exists	3s
Build Chainlink Image	9s
Build Chainlink Image (plugins)	10s
Compare/Build Automation Test List	6s
Build Test Image	0s
Solana Build Artifacts	0s
Solana Build Test Image	0s
ETH Smoke Tests ${{ matrix.product.name }}${{ matrix.product.tag_suffix }}	0s
ETH Smoke Tests ${{ matrix.product.name }}	0s
Version Migration Tests	0s
Solana Smoke Tests ${{ matrix.image.name }}	0s
Live Testnet Smoke Tests ${{ matrix.testnet }}	0s
ETH Smoke Tests	7s
Solana Smoke Tests	8s
Live Testnet Start Slack Thread	0s
Post Live Testnet Smoke Test Results	0s
Clean up integration environment deployments	22s
ETH Smoke Tests Go Mod Cache	0s
	1m 24s

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