Cherry-pick #24957 to 7.x: Bump stack version to 7.12.0 for testing#25075

Merged

kaiyan-sheng merged 1 commit intoelastic:7.xfrom kaiyan-sheng:backport_24957_7.x

Apr 17, 2021

+15-15

Commits on Apr 14, 2021

Bump stack version to 7.12.0 for testing (#24957 )
kaiyan-sheng
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