Update howardhinnant_date from 3.0.3 to 3.0.4

Author: emscripten-forge-bot

recipes/recipes_emscripten/howardhinnant_date/recipe.yaml

@@ -1,5 +1,5 @@
 context:
-  version: 3.0.3
+  version: 3.0.4
 
 
 package:
@@ -8,7 +8,7 @@ package:
 
 source:
   url: https://github.com/howardhinnant/date/archive/refs/tags/v${{ version }}.tar.gz
-  sha256: 30de45a34a2605cca33a993a9ea54e8f140f23b1caf1acf3c2fd436c42c7d942
+  sha256: 56e05531ee8994124eeb498d0e6a5e1c3b9d4fccbecdf555fe266631368fb55f
 
 build:
   number: 0