chore(deps): bump actix-web from 4.8.0 to 4.9.0 in /examples (#429)

Bumps [actix-web](https://github.com/actix/actix-web) from 4.8.0 to 4.9.0.
- [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-v4.8.0...web-v4.9.0)

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

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

examples/Cargo.lock

@@ -219,9 +219,9 @@ dependencies = [
 
 [[package]]
 name = "actix-web"
-version = "4.8.0"
+version = "4.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1988c02af8d2b718c05bc4aeb6a66395b7cdf32858c2c71131e5637a8c05a9ff"
+checksum = "9180d76e5cc7ccbc4d60a506f2c727730b154010262df5b910eb17dbe4b8cb38"
 dependencies = [
  "actix-codec",
  "actix-http",
@@ -242,6 +242,7 @@ dependencies = [
  "encoding_rs",
  "futures-core",
  "futures-util",
+ "impl-more",
  "itoa",
  "language-tags",
  "log",