chore: bump golang from `47fa179` to `c62751a` in /test/image #7789

Job	Run time
Build and Test (1.25.8)	6m 40s
[Generator Resource Expansion] Build and Test	6m 49s
Build and Test (1.26.3)	6m 54s
Build and Test (1.27.1)	6m 37s
Check codegen and manifest	2m 18s
Test Gator	2m 33s
Build and Test (1.28.0)	6m 25s
[Helm] Build and Test (3.7.2, gatekeeper-system)	5m 28s
Lint	1m 42s
[Helm] Build and Test (3.7.2, custom-namespace)	5m 27s
Unit test	8m 8s
	59m 1s

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