Add backport rule for 7.17 branch

[andresrc]

Part of 7.17 branch creation

[elasticmachine]

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• Start Time: 2021-12-16T17:53:01.026+0000

• Duration: 17 min 15 sec

• Commit: 630c288

Test stats 🧪

Test	Results
Failed	0
Passed	3
Skipped	0
Total	3

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