deps: bump @libp2p/ping from 2.0.10 to 2.0.15

Bumps [@libp2p/ping](https://github.com/libp2p/js-libp2p) from 2.0.10 to 2.0.15.
- [Release notes](https://github.com/libp2p/js-libp2p/releases)
- [Changelog](https://github.com/libp2p/js-libp2p/blob/main/.release-please.json)
- [Commits](libp2p/js-libp2p@tls-v2.0.10...ping-v2.0.15)

---
updated-dependencies:
- dependency-name: "@libp2p/ping"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>