feat(sdk): add fallback strategy (`Agent`) #8478

Job	Run time
build-binary-and-test (ubuntu-latest)	2m 13s
Build & Push (java-arm64)	5m 44s
Build & Push (golang-amd64)	6m 46s
Build & Push (golang-arm64)	7m 25s
Build & Push (python-arm64)	5m 41s
Build & Push (python-amd64)	5m 18s
build-binary-and-test (macos-latest)	5m 1s
Check OpenAPI Schema	31s
Build & Push (java-amd64)	7m 15s
Merge Multi-Arch Manifests (java)	15s
Merge Multi-Arch Manifests (python)	13s
Merge Multi-Arch Manifests (golang)	15s
Consolidate Build Information	4s
Update PR description with agent server image	4s
	46m 45s

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