build: update dependency firebase-tools to v15

See associated pull request for more information.

Author: renovate[bot]

package.json

@@ -183,7 +183,7 @@
     "cldrjs": "0.5.5",
     "conventional-changelog": "^7.0.0",
     "cypress": "15.7.0",
-    "firebase-tools": "^14.0.0",
+    "firebase-tools": "^15.0.0",
     "get-tsconfig": "^4.10.1",
     "gulp": "^5.0.0",
     "gulp-conventional-changelog": "^5.0.0",