fix(create-rstack): keep Rspress templates on stable versions (#574)

Author: SoonIter

packages/create-rstack/template-doc-i18n/package.json

@@ -12,7 +12,7 @@
     "preview": "rs doc preview"
   },
   "devDependencies": {
-    "@rspress/core": "2.1.0-beta.1",
+    "@rspress/core": "^2.0.23",
     "@types/node": "^26.6.5",
     "@types/react": "^19.3.0",
     "@types/react-dom": "^19.3.0",

packages/create-rstack/template-doc/package.json

@@ -12,7 +12,7 @@
     "preview": "rs doc preview"
   },
   "devDependencies": {
-    "@rspress/core": "2.1.0-beta.1",
+    "@rspress/core": "^2.0.23",
     "@types/node": "^26.6.5",
     "@types/react": "^19.3.0",
     "@types/react-dom": "^19.3.0",