GitHub Actions: Fixed build name in trigger-build-web-page.yml

Author: MikhailGorobets

.github/workflows/trigger-build-web-page.yml

@@ -2,7 +2,7 @@ name: Trigger Build Web Page
 
 on:
   workflow_run:
-    workflows: ["Build Emscripten"]
+    workflows: ["Emscripten build"]
     types:
       - completed