chore: bump golang from `45b4337` to `1a26d5a` in /test/image #8947

Job	Run time
Build and Test (1.27.13)	6m 30s
[Helm] Build and Test (3.14.1, gatekeeper-system)	5m 51s
Build and Test (1.28.9)	6m 45s
[Helm] Build and Test (3.14.1, custom-namespace)	5m 53s
Build and Test (1.29.4)	6m 35s
Build and Test (1.30.0)	6m 36s
[Generator Resource Expansion] Build and Test	6m 47s
	44m 57s

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