Build yarl for emscripten-4x (#3491)

Co-authored-by: emscripten-forge-bot <[email protected]>
Co-authored-by: Thorsten Beier <[email protected]>

Author: emscripten-forge-bot

recipes/recipes_emscripten/yarl/recipe.yaml

@@ -11,7 +11,7 @@ source:
   sha256: 067a63fcfda82da6b198fa73079b1ca40b7c9b7994995b6ee38acda728b64d47
 
 build:
-  number: 1
+  number: 2
   script: ${{ PYTHON }} -m pip install . ${{ PIP_ARGS }}
 
 requirements: