Merge pull request #1883 from tnozicka/supported-platforms-1.11 #6018

Job	Run time
Build and test	4m 46s
Build Helm charts	14s
Build images	3m 18s
Verify	2m 44s
Verify dependencies	32s
Verify vendorability	0s
Test e2e serial	22m 41s
Test e2e parallel	47m 32s
Test e2e parallel (with alpha features)	52m 30s
Test e2e serial (with alpha features)	27m 16s
All tests successfull	1s
Promote artifacts	1m 41s
Failure notifications	0s
	2h 43m 15s

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