Upgrade to latest monaco-editor (#4538)

Resolve broken typespec.io which did somehow upgrade 
fix #4456

.chronus/changes/upgrade-monaco-editor-2024-8-25-21-58-44.md

@@ -0,0 +1,8 @@
+---
+# Change versionKind to one of: internal, fix, dependencies, feature, deprecation, breaking
+changeKind: feature
+packages:
+  - "@typespec/playground"
+---
+
+Upgrade to latest monaco-editor

packages/playground/package.json

@@ -82,7 +82,7 @@
     "clsx": "^2.1.1",
     "debounce": "~2.1.1",
     "lzutf8": "0.6.3",
-    "monaco-editor": "~0.46.0",
+    "monaco-editor": "~0.52.0",
     "react": "~18.3.1",
     "react-dom": "~18.3.1",
     "react-error-boundary": "^4.0.13",

packages/website/.scripts/docusaurus-build.mjs

@@ -13,7 +13,12 @@ if (process.env.TYPESPEC_SKIP_DOCUSAURUS_BUILD?.toLowerCase() === "true") {
   process.exit(0);
 }
 
-await runOrExit("docusaurus", ["build"]);
+await runOrExit("docusaurus", ["build"], {
+  env: {
+    ...process.env,
+    USE_SIMPLE_CSS_MINIFIER: "true",
+  },
+});
 
 function loadDotenv() {
   const dirname = path.dirname(fileURLToPath(import.meta.url));