Update Readme with new tag #3650

Job	Run time
e2e (v1.29.8, v0.56.8)	38m 9s
integration (v1.29.8, v0.56.8)	28m 51s
test-docker-build (base)	47s
integration (v1.29.8, v0.65.1)	29m 28s
unit	3m 26s
test-docker-build (git)	1m 13s
integration (v1.31.0, v0.56.8)	29m 21s
test-docker-build (image-processing)	59s
e2e (v1.29.8, v0.65.1)	37m 19s
integration (v1.31.0, v0.65.1)	28m 27s
test-docker-build (waiter)	36s
e2e (v1.31.0, v0.56.8)	34m 25s
e2e (v1.31.0, v0.65.1)	38m 6s
	4h 31m 7s

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