make: Replace deprecated emcc configuration

EXTRA_EXPORTED_RUNTIME_METHODS is deprecated. Replace with
EXPORTED_RUNTIME_METHODS.
5 jobs for ci/pipeline in 2 minutes and 21 seconds (queued for 29 seconds)
latest
Status Job ID Name Coverage
  Build
passed build:lib #13542
docker

00:01:26

 
  Test
passed test:lib #13543
docker

00:00:55

 
  Trigger
passed trigger:android

passed trigger:javascript

passed trigger:python