chore(deps): update dependency astro to v5.15.8 (#127)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -114,7 +114,7 @@
     "@types/wallabyjs": "0.0.15",
     "@types/yargs": "17.0.35",
     "asciinema-player": "3.12.1",
-    "astro": "5.15.6",
+    "astro": "5.15.8",
     "bupkis": "0.13.0",
     "cspell": "9.3.1",
     "eslint": "9.39.1",