feat: add APIs for local time and time zones #423

Job	Run time
search	4s
lint (lib/metadata)	20s
lint (lib/wasmextractor)	19s
lint (lib/manifest)	26s
lint (sdk/go)	20s
lint (sdk/go/examples/graphql)	11s
lint (sdk/go/examples/time)	6s
lint (sdk/go/examples/simple)	11s
lint (sdk/go/examples/auth)	17s
lint (sdk/go/examples/anthropic-functions)	6s
lint (sdk/go/examples/postgresql)	9s
lint (sdk/go/examples/dgraph)	5s
lint (sdk/go/examples/embedding)	5s
lint (sdk/go/examples/vectors)	7s
lint (sdk/go/examples/collections)	6s
lint (sdk/go/examples/classification)	9s
lint (sdk/go/examples/neo4j)	12s
lint (sdk/go/examples/textgeneration)	6s
lint (sdk/go/examples/http)	12s
lint (sdk/go/templates/default)	23s
lint (runtime)	12s
lint (runtime/languages/golang/testdata)	7s
	4m 13s

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