Merge pull request #234 from InsightSoftwareConsortium/dependabot/npm_and_yarn/astro-5.15.9

build(deps): bump astro from 5.15.6 to 5.15.9

Author: thewtex

package.json

@@ -13,7 +13,7 @@
     "@niivue/dicom-loader": "^1.0.0",
     "@niivue/itkwasm-loader": "^1.0.2",
     "@niivue/niivue": "^0.64.0",
-    "astro": "^5.15.6",
+    "astro": "^5.15.9",
     "client-zip": "^2.5.0",
     "fuse.js": "^7.1.0",
     "highlight.js": "^11.11.1",