Cherry-pick to 7.x: [BUILD][CI] fetch dependencies with retry (#21614)

[v1v]

Backports the following commits to 7.x:

• [BUILD][CI] fetch dependencies with retry ([BUILD][CI] fetch dependencies with retry #21614)

[elasticmachine]

💚 Build Succeeded

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Build stats

• Build Cause: [Pull request #21831 opened]

• Start Time: 2020-10-15T08:12:38.555+0000

• Duration: 98 min 3 sec

Test stats 🧪

Test	Results
Failed	0
Passed	16328
Skipped	1367
Total	17695