Bump actions/checkout from 5.0.1 to 6.0.2 #6720

Job	Run time
Unit tests with race condition detection	3m 31s
Unit Tests	3m 13s
Build Unsigned Snapshot	9m 42s
Vulnerability Scan / Vulnerability Check	1m 2s
Lint	3m 12s
Cache Dependencies	0s
Upgrade Tests (ubuntu, 24.04)	4m 36s
Integration Tests (ubuntu, 24.04)	10m 45s
Upgrade Tests (alpine, 3.22)	4m 0s
Performance Tests	27s
Upgrade Tests (redhatenterprise, 9)	4m 25s
Integration Tests (alpine, 3.23)	10m 9s
Integration Tests (redhatenterprise, 9)	11m 1s
Metrics Integration Tests - Official OSS Images	0s
Metrics Integration Tests - Official Plus Images	0s
Load Tests	0s
Integration Tests - Official OSS Images	0s
Integration Tests - Official Plus Images	0s
	1h 6m 3s

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