ci(GHA): updated Vault versions in test matrix #526

Job	Run time
Build	1m 38s
Dependency review	8s
Developer environment	1m 0s
License check	1m 35s
Lint	2m 18s
Test	1m 23s
Artifacts / Container image	8m 52s
Artifacts / Helm chart	1m 1s
Operator multi-cluster acceptance test	8m 24s
Acceptance test (v1.24.15, 1.11.12)	9m 21s
Acceptance test (v1.24.15, 1.12.9)	9m 32s
Acceptance test (v1.24.15, 1.13.5)	9m 30s
Acceptance test (v1.24.15, 1.14.1)	9m 36s
Acceptance test (v1.25.11, 1.11.12)	10m 16s
Acceptance test (v1.25.11, 1.12.9)	9m 36s
Acceptance test (v1.25.11, 1.13.5)	9m 38s
Acceptance test (v1.25.11, 1.14.1)	9m 50s
Acceptance test (v1.26.6, 1.11.12)	9m 6s
Acceptance test (v1.26.6, 1.12.9)	10m 19s
Acceptance test (v1.26.6, 1.13.5)	10m 8s
Acceptance test (v1.26.6, 1.14.1)	9m 7s
Acceptance test (v1.27.3, 1.11.12)	10m 1s
Acceptance test (v1.27.3, 1.12.9)	10m 16s
Acceptance test (v1.27.3, 1.13.5)	10m 16s
Acceptance test (v1.27.3, 1.14.1)	9m 22s
	3h 2m 13s

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