Update Go SDK to v1.26.0 (#436) #896

Job	Run time
build-go (ubuntu-latest)	29s
build-java (ubuntu-latest)	29s
build-python (ubuntu-latest)	20s
build-dotnet (ubuntu-latest)	14s
build-ts (ubuntu-latest)	22s
latest-sdk-versions	1s
feature-tests-java / test	2m 12s
feature-tests-go / test	2m 1s
feature-tests-dotnet / test	40s
feature-tests-python / test	1m 24s
feature-tests-ts / test	1m 55s
build-docker-images / build-go-docker-images / Build go docker image	4m 51s
build-docker-images / build-dotnet-docker-images / Build cs docker image	2m 0s
build-docker-images / build-java-docker-images / Build java docker image	5m 9s
build-docker-images / build-python-docker-images / Build py docker image	3m 41s
build-docker-images / build-ts-docker-images / Build ts docker image	5m 8s
	30m 56s

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