Bump serde from 1.0.134 to 1.0.136 in /webserver

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.134 to 1.0.136.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.134...v1.0.136)

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

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

webserver/Cargo.toml

@@ -18,7 +18,7 @@ load_save = { path = "../crates/load_save/" }
 log = "0.4.14"
 logger = { path = "../crates/logger/" }
 search = { path = "../crates/search/" }
-serde = { version = "1.0.134", features = ["derive"] }
+serde = { version = "1.0.136", features = ["derive"] }
 tokio = { version = "1.15.0", features = ["macros", "rt-multi-thread"] }
 types = { path = "../crates/types/" }
 uuid = { version = "0.8.2", features = ["serde", "v4"] }