fix: remove fallback to default time zone #466

Job	Run time
search	3s
lint (runtime/languages/golang/testdata)	16s
lint (runtime)	1m 22s
lint (sdk/go/examples/time)	17s
lint (sdk/go/examples/auth)	15s
lint (sdk/go/examples/http)	13s
lint (sdk/go/examples/textgeneration)	16s
lint (sdk/go/examples/anthropic-functions)	14s
lint (sdk/go/examples/neo4j)	17s
lint (sdk/go/examples/vectors)	8s
lint (sdk/go/examples/simple)	18s
lint (sdk/go/examples/classification)	13s
lint (sdk/go/examples/dgraph)	13s
lint (sdk/go/examples/collections)	23s
lint (sdk/go/examples/embedding)	11s
lint (sdk/go/examples/postgresql)	16s
lint (sdk/go/examples/graphql)	15s
lint (sdk/go)	25s
lint (sdk/go/templates/default)	14s
lint (lib/wasmextractor)	13s
lint (lib/metadata)	13s
lint (lib/manifest)	17s
	6m 32s

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