Updates go mod version to 1.26.1 #214

Job	Run time
Preparation	4s
Upload Workflow Event Payload	4s
Smoke Test (builder-noble-java-tiny, ubuntu-22.04-arm, .)	4m 39s
Smoke Test (builder-noble-java-tiny, ubuntu-22.04, .)	5m 18s
Smoke Test	3s
	10m 8s

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