return error for runtime.Tolerations (#2444) #6236

Job	Run time
Build Apiserver and Docker Images	3m 40s
Lint (pre-commit)	3m 38s
Build security proxy Binaries and Docker Images	1m 27s
Build Operator Binaries and Docker Images	8m 48s
Build Ray Kubectl plugin	2m 48s
Python Client Test	1m 5s
Compatibility Test - 2.9.0	10m 50s
Compatibility Test - 2.8.0	7m 17s
Compatibility Test - 2.7.0	11m 24s
Compatibility Test - Nightly	9m 9s
	1h 0m 6s

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