build(deps): bump astro from 6.4.2 to 6.4.6 in /site

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 6.4.2 to 6.4.6.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/astro@6.4.6/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 6.4.6
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

site/package-lock.json

@@ -12,7 +12,7 @@
         "@iconify-json/lucide": "^1.2.111",
         "@rollup/plugin-yaml": "^4.0.0",
         "@tailwindcss/vite": "^4.2.4",
-        "astro": "^6.4.2",
+        "astro": "^6.4.6",
         "astro-icon": "^1.0.0",
         "js-yaml": "^4.1.0",
         "pagefind": "^1.5.2",
@@ -2639,9 +2639,9 @@
       }
     },
     "node_modules/astro": {
-      "version": "6.4.2",
-      "resolved": "https://registry.npmjs.org/astro/-/astro-6.4.2.tgz",
-      "integrity": "sha512-8H89CH2dKL5SCU99OCqdU9BGjmPkSJqaPurywj5XMo7eMFGUFD3vsNhdEKnEh4mK4LgGje3/QDTTSIIGst0G0Q==",
+      "version": "6.4.6",
+      "resolved": "https://registry.npmjs.org/astro/-/astro-6.4.6.tgz",
+      "integrity": "sha512-48OBTBKR9ctbf+DQxpOuxGl8ebfn59zTuNQMBzptmG/Mi/H8IdfMSbJgGuX1I/4U6g9yazG1p4BHlf4+2hWU4Q==",
       "license": "MIT",
       "dependencies": {
         "@astrojs/compiler": "^4.0.0",
@@ -2658,7 +2658,7 @@
         "clsx": "^2.1.1",
         "common-ancestor-path": "^2.0.0",
         "cookie": "^1.1.1",
-        "devalue": "^5.6.3",
+        "devalue": "^5.8.1",
         "diff": "^8.0.3",
         "dset": "^3.1.4",
         "es-module-lexer": "^2.0.0",

site/package.json

@@ -14,7 +14,7 @@
     "@iconify-json/lucide": "^1.2.111",
     "@rollup/plugin-yaml": "^4.0.0",
     "@tailwindcss/vite": "^4.2.4",
-    "astro": "^6.4.2",
+    "astro": "^6.4.6",
     "astro-icon": "^1.0.0",
     "js-yaml": "^4.1.0",
     "pagefind": "^1.5.2",