chore(deps): bump actix-web-actors from 4.3.0 to 4.3.1+deprecated in /examples (#433)

* chore(deps): bump actix-web-actors in /examples

Bumps [actix-web-actors](https://github.com/actix/actix-web) from 4.3.0 to 4.3.1+deprecated.
- [Release notes](https://github.com/actix/actix-web/releases)
- [Changelog](https://github.com/actix/actix-web/blob/master/CHANGES.md)
- [Commits](https://github.com/actix/actix-web/compare/web-v4.3.0...web-v4.3.1)

---
updated-dependencies:
- dependency-name: actix-web-actors
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* docs: update websockets docs to use actix-ws

---------

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

examples/websockets/Cargo.toml

@@ -5,6 +5,6 @@ publish = false
 edition.workspace = true
 
 [dependencies]
-actix = "0.13"
 actix-web = "4"
-actix-web-actors = "4.0.0"
+actix-ws = "0.3"
+futures-util = { version = "0.3.17", default-features = false, features = ["std"] }