Add Copilot instructions for release PRs #5332

Job	Run time
Go: tracing with legacy workflow (ubuntu-latest, stable-v2.17.6)	1m 22s
Go: tracing with legacy workflow (ubuntu-latest, stable-v2.20.7)	1m 20s
Go: tracing with legacy workflow (ubuntu-latest, stable-v2.18.4)	1m 29s
Go: tracing with legacy workflow (macos-latest, stable-v2.19.4)	3m 26s
Go: tracing with legacy workflow (ubuntu-latest, stable-v2.19.4)	1m 36s
Go: tracing with legacy workflow (macos-latest, stable-v2.21.4)	3m 54s
Go: tracing with legacy workflow (ubuntu-latest, default)	1m 19s
Go: tracing with legacy workflow (macos-latest, stable-v2.20.7)	3m 6s
Go: tracing with legacy workflow (macos-latest, stable-v2.17.6)	4m 1s
Go: tracing with legacy workflow (macos-latest, stable-v2.18.4)	4m 43s
Go: tracing with legacy workflow (ubuntu-latest, stable-v2.21.4)	1m 21s
Go: tracing with legacy workflow (macos-latest, default)	3m 34s
Go: tracing with legacy workflow (ubuntu-latest, linked)	1m 14s
Go: tracing with legacy workflow (macos-latest, nightly-latest)	3m 19s
Go: tracing with legacy workflow (ubuntu-latest, nightly-latest)	1m 18s
Go: tracing with legacy workflow (macos-latest, linked)	3m 48s
	40m 50s

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