feat: add APIs for local time and time zones #322

Job	Run time
search	3s
build (sdk/go/tools/modus-go-build)	18s
build (sdk/go/examples/graphql)	40s
build (sdk/go/examples/time)	37s
build (sdk/go/examples/simple)	33s
build (sdk/go/examples/auth)	38s
build (sdk/go/examples/anthropic-functions)	36s
build (sdk/go/examples/postgresql)	39s
build (sdk/go/examples/dgraph)	34s
build (sdk/go/examples/embedding)	44s
build (sdk/go/examples/vectors)	27s
build (sdk/go/examples/collections)	40s
build (sdk/go/examples/classification)	42s
build (sdk/go/examples/neo4j)	39s
build (sdk/go/examples/textgeneration)	37s
build (sdk/go/examples/http)	46s
	9m 13s

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