chore(deps): bump astro from 6.4.4 to 6.4.6

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 6.4.4 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>

Author: dependabot[bot]

package.json

@@ -29,7 +29,7 @@
     "@astrojs/check": "^0.9.9",
     "@astrojs/rss": "^4.0.18",
     "@astrojs/sitemap": "^3.7.3",
-    "astro": "^6.4.4",
+    "astro": "^6.4.6",
     "date-fns": "^4.4.0",
     "remark-smartypants": "^3.0.2",
     "sharp": "^0.34.5"

yarn.lock

@@ -1655,9 +1655,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"astro@npm:^6.4.4":
-  version: 6.4.4
-  resolution: "astro@npm:6.4.4"
+"astro@npm:^6.4.6":
+  version: 6.4.6
+  resolution: "astro@npm:6.4.6"
   dependencies:
     "@astrojs/compiler": "npm:^4.0.0"
     "@astrojs/internal-helpers": "npm:0.10.0"
@@ -1720,7 +1720,7 @@ __metadata:
       optional: true
   bin:
     astro: ./bin/astro.mjs
-  checksum: 10c0/bccd986af688b087fbf6e70c064e8b2ee5d820853bcc6a97b5b6afae20de58d8999e6c7de1c88e3a5f4e53f7bb53bb267481afc62223cfe271ae5b2eb7becd86
+  checksum: 10c0/f66c80e88aa5338a7ed9dde2adb09e0fe7b1bad1bc1e282fb24cbbfd9b54727d16f06550e1870ee90532d1f638d47956fafaca8a7143e4d3ea466778da510777
   languageName: node
   linkType: hard
 
@@ -2723,7 +2723,7 @@ __metadata:
     "@astrojs/sitemap": "npm:^3.7.3"
     "@eslint/js": "npm:^10.0.1"
     "@types/node": "npm:^25.9.2"
-    astro: "npm:^6.4.4"
+    astro: "npm:^6.4.6"
     date-fns: "npm:^4.4.0"
     eslint: "npm:^10.4.1"
     eslint-plugin-astro: "npm:^1.7.0"