chore(sdk): Add sdk 1.9.3 release #1693

Job	Run time
check-doc-links	12s
backend-integration	5s
check-mdtoc	4s
check-license	8s
progress-report	1m 33s
python-unittest (3.8)	1m 24s
python-unittest (3.9)	1m 11s
python-lint	18s
run-go-unittests	4m 8s
python-unittest (3.10)	1m 24s
run-pipelineloop-unittests	3m 20s
python-unittest (3.11)	1m 20s
run-v2-custom-controller-image-builds	7s
validate-testdata	3m 28s
python-unittest (3.12)	1m 31s
	20m 13s

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