build(deps): bump actix-server from 2.5.1 to 2.6.0

Bumps [actix-server](https://github.com/actix/actix-net) from 2.5.1 to 2.6.0.
- [Release notes](https://github.com/actix/actix-net/releases)
- [Commits](https://github.com/actix/actix-net/compare/rt-v2.5.1...rt-v2.6.0)

---
updated-dependencies:
- dependency-name: actix-server
  dependency-version: 2.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.lock

@@ -251,9 +251,9 @@ dependencies = [
 
 [[package]]
 name = "actix-server"
-version = "2.5.1"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6398974fd4284f4768af07965701efbbb5fdc0616bff20cade1bb14b77675e24"
+checksum = "a65064ea4a457eaf07f2fba30b4c695bf43b721790e9530d26cb6f9019ff7502"
 dependencies = [
  "actix-rt",
  "actix-service",