chore(deps): update dependency @netlify/edge-functions to ^2.15.7 (#366)

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

Author: renovate[bot]

demo/package-lock.json

@@ -22,7 +22,7 @@
     "@angular/router": "^20.1.0-next",
     "@angular/ssr": "^20.1.0-next",
     "@netlify/angular-runtime": "file:..",
-    "@netlify/edge-functions": "^2.15.6",
+    "@netlify/edge-functions": "^2.15.7",
     "express": "^4.21.0",
     "rxjs": "~7.8.0",
     "tslib": "^2.3.0",