chore(deps): bump ethers from 6.13.5 to 6.15.0 (#2354)

Bumps [ethers](https://github.com/ethers-io/ethers.js) from 6.13.5 to 6.15.0.
- [Release notes](https://github.com/ethers-io/ethers.js/releases)
- [Changelog](https://github.com/ethers-io/ethers.js/blob/main/CHANGELOG.md)
- [Commits](ethers-io/ethers.js@v6.13.5...v6.15.0)

---
updated-dependencies:
- dependency-name: ethers
  dependency-version: 6.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -55,7 +55,7 @@
     "copy-to-clipboard": "^3.3.3",
     "docusaurus-plugin-sass": "^0.2.5",
     "dotenv": "^17.2.1",
-    "ethers": "^6.13.5",
+    "ethers": "^6.15.0",
     "js-cookie": "^3.0.5",
     "jsonwebtoken": "^9.0.2",
     "launchdarkly-js-client-sdk": "^3.9.0",