fix(deps): update dependency astro to v6

package.json

@@ -3,7 +3,7 @@
   "type": "module",
   "version": "2025.01.24",
   "private": true,
-  "packageManager": "npm@11.12.0",
+  "packageManager": "npm@11.11.0",
   "browserslist": [
     ">0.2%",
     "not dead",
@@ -24,7 +24,7 @@
     "@astrojs/rss": "^4.0.12",
     "@astrojs/sitemap": "^3.4.1",
     "@resvg/resvg-js": "^2.6.2",
-    "astro": "^5.9.0",
+    "astro": "^6.0.0",
     "autoprefixer": "^10.4.21",
     "cssnano": "^7.0.7",
     "cssnano-preset-advanced": "^7.0.7",
@@ -35,9 +35,9 @@
     "mdast-util-to-string": "^4.0.0",
     "reading-time": "^1.5.0",
     "sass": "^1.89.1",
-    "satori": "^0.26.0",
+    "satori": "^0.25.0",
     "satori-html": "^0.3.2",
-    "schema-dts": "^2.0.0",
+    "schema-dts": "^1.1.5",
     "sharp": "^0.34.2",
     "typescript": "^5"
   },