pub.dev not recognizing web support

[obrunsmann]

Something is failing web support test, though it works with the web compiler:

package:nakama/nakama.dart that imports:
package:nakama/src/nakama_client.dart that imports:
package:nakama/src/nakama_grpc_client.dart that imports:
package:grpc/grpc.dart that imports:
package:grpc/src/shared/streams.dart that imports:
package:http2/transport.dart that imports:
package:http2/src/hpack/hpack.dart that imports:
package:http2/src/hpack/huffman_table.dart that imports:
package:http2/src/hpack/huffman.dart that imports:
dart:io