Update README.md to reflect the changes in 8.0.0 #120

Job	Run time
Tests	31s
Floating Dependencies	32s
ember-lts-3.16	31s
ember-lts-3.20	36s
ember-lts-3.24	30s
ember-lts-3.28	31s
ember-lts-4.4	32s
ember-lts-4.8	31s
ember-release	31s
ember-beta	38s
ember-canary	37s
ember-classic	38s
embroider-safe	32s
embroider-optimized	39s
no-deprecations	41s
ember-release-no-deprecations	31s
	9m 1s

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