chore(deps): bump @reown/appkit-controllers from 1.8.14 to 1.8.15

Bumps [@reown/appkit-controllers](https://github.com/reown-com/appkit) from 1.8.14 to 1.8.15.
- [Release notes](https://github.com/reown-com/appkit/releases)
- [Commits](https://github.com/reown-com/appkit/compare/@reown/appkit-controllers@1.8.14...@reown/appkit-controllers@1.8.15)

---
updated-dependencies:
- dependency-name: "@reown/appkit-controllers"
  dependency-version: 1.8.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

examples/appkit/package.json

@@ -14,7 +14,7 @@
     "@reown/appkit": "1.8.14",
     "@reown/appkit-adapter-wagmi": "1.8.14",
     "@reown/appkit-common": "^1.8.14",
-    "@reown/appkit-controllers": "^1.8.14",
+    "@reown/appkit-controllers": "^1.8.15",
     "@tanstack/react-query": "^5.90.12",
     "@walletconnect/universal-provider": "^2.23.0",
     "filsnap-adapter": "^3.3.8",

packages/iso-filecoin-wallets/package.json

@@ -95,7 +95,7 @@
     "check": "biome check --no-errors-on-unmatched --files-ignore-unknown=true ."
   },
   "dependencies": {
-    "@reown/appkit-controllers": "^1.8.14",
+    "@reown/appkit-controllers": "^1.8.15",
     "iso-base": "^4.2.1",
     "iso-web": "^2.1.0",
     "nanoid": "^5.1.6"