fix(connector): add fixed-connector-image options (#1752) #6616

Job	Run time
prepare pre-build environment for tests	22s
build-hstream-admin-store	15m 44s
build-ghc-9.2.8	51m 12s
test-ghc-9.2.8	4m 18s
integration-tests-9.2.8	20m 11s
integration-tests-rqlite-9.2.8	20m 28s
integration-tests-kafka-9.2.8	11m 51s
deploy-to-minikube-ghc-${{ matrix.ghc }}	0s
integration-tests-kafka-rqlite-9.2.8	11m 49s
distributed-tests-9.2.8	6m 3s
	2h 21m 58s

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