Add instruction to verify PR status before pushing #10691

Job	Run time
Check OpenAPI Schema	31s
build-binary-and-test (macos-latest)	2m 52s
build-binary-and-test (ubuntu-latest)	2m 49s
Build & Push (python-amd64)	10m 9s
Build & Push (python-arm64)	8m 32s
Build & Push (java-arm64)	8m 4s
Build & Push (java-amd64)	9m 8s
Build & Push (golang-amd64)	9m 8s
Build & Push (golang-arm64)	9m 18s
Merge Multi-Arch Manifests (java)	16s
Merge Multi-Arch Manifests (python)	20s
Merge Multi-Arch Manifests (golang)	18s
Consolidate Build Information	3s
Update PR description with agent server image	4s
	1h 1m 32s

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