Bump actions/checkout from 4.1.1 to 4.1.2 #2756

Job	Run time
Gateway Conformance Tests (1.23.17, nginx, true)	8m 16s
Gateway Conformance Tests (1.23.17, nginx, true)	6m 42s
Gateway Conformance Tests (1.23.17, nginx, false)	6m 26s
Gateway Conformance Tests (1.23.17, nginx, false)	6m 26s
Gateway Conformance Tests (1.23.17, nginx-plus, true)	6m 47s
Gateway Conformance Tests (1.23.17, nginx-plus, true)	6m 47s
Gateway Conformance Tests (1.23.17, nginx-plus, false)	8m 7s
Gateway Conformance Tests (1.23.17, nginx-plus, false)	6m 41s
Gateway Conformance Tests (latest, nginx, true)	5m 47s
Gateway Conformance Tests (latest, nginx, true)	5m 47s
Gateway Conformance Tests (latest, nginx, false)	5m 43s
Gateway Conformance Tests (latest, nginx, false)	5m 43s
Gateway Conformance Tests (latest, nginx-plus, true)	5m 47s
Gateway Conformance Tests (latest, nginx-plus, true)	5m 47s
Gateway Conformance Tests (latest, nginx-plus, false)	5m 27s
Gateway Conformance Tests (latest, nginx-plus, false)	5m 27s
	1h 41m 40s

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