fix: CORS: allow all request headers #510

Job	Run time
search	1s
test (sdk/go/templates/default)	16s
test (sdk/go/examples/simple)	14s
test (sdk/go/examples/embedding)	17s
test (sdk/go/examples/textgeneration)	16s
test (sdk/go/examples/http)	16s
test (sdk/go/examples/postgresql)	18s
test (sdk/go/examples/collections)	13s
test (sdk/go/examples/neo4j)	20s
test (sdk/go/examples/classification)	16s
test (sdk/go/examples/graphql)	11s
test (sdk/go/examples/anthropic-functions)	15s
test (sdk/go/examples/vectors)	18s
test (sdk/go/examples/dgraph)	13s
test (sdk/go/examples/auth)	18s
test (sdk/go/examples/time)	14s
test (sdk/go/examples/mysql)	13s
test (sdk/go)	31s
test (lib/manifest)	23s
test (lib/wasmextractor)	18s
test (lib/metadata)	22s
test (runtime/languages/golang/testdata)	13s
test (runtime)	1m 24s
	7m 20s

Provide feedback