fix: Reduce Go build times #344

Job	Run time
search	3s
lint (lib/metadata)	17s
lint (lib/wasmextractor)	19s
lint (lib/manifest)	19s
lint (sdk/go)	27s
lint (sdk/go/examples/graphql)	21s
lint (sdk/go/examples/simple)	21s
lint (sdk/go/examples/auth)	26s
lint (sdk/go/examples/anthropic-functions)	18s
lint (sdk/go/examples/postgresql)	19s
lint (sdk/go/examples/dgraph)	20s
lint (sdk/go/examples/embedding)	18s
lint (sdk/go/examples/vectors)	21s
lint (sdk/go/examples/collections)	19s
lint (sdk/go/examples/classification)	19s
lint (sdk/go/examples/textgeneration)	18s
lint (sdk/go/examples/http)	19s
lint (sdk/go/templates/default)	23s
lint (runtime)	33s
lint (runtime/languages/golang/testdata)	18s
	6m 38s

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