chore(deps): bump tokio from 1.39.2 to 1.39.3 in /examples (#438)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.39.2 to 1.39.3.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-1.39.2...tokio-1.39.3)

---
updated-dependencies:
- dependency-name: tokio
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

examples/Cargo.lock

@@ -2849,9 +2849,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.39.2"
+version = "1.39.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "daa4fb1bc778bd6f04cbfc4bb2d06a7396a8f299dc33ea1900cedaa316f467b1"
+checksum = "9babc99b9923bfa4804bd74722ff02c0381021eafa4db9949217e3be8e84fff5"
 dependencies = [
  "backtrace",
  "bytes",