Automated cherry pick of #2106: Add cherry-pick script

[tenzen-y]

Cherry pick of #2106 on v1.8-branch.
#2106: Add cherry-pick script
For details on the cherry pick process, see the cherry pick requests page.

[google-oss-prow]

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[tenzen-y]

/hold for #2106

[coveralls]

Pull Request Test Coverage Report for Build 9019471489

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.04%) to 35.423%

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Files with Coverage Reduction	New Missed Lines	%
pkg/controller.v1/mpi/mpijob.go	1	91.06%

Totals
Change from base Build 8869266420:	0.04%
Covered Lines:	4379
Relevant Lines:	12362

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💛 - Coveralls