build(deps): bump serde from 1.0.176 to 1.0.177

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.176 to 1.0.177.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.176...v1.0.177)

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

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

crates/matrix-synapse/Cargo.toml

@@ -10,7 +10,7 @@ anyhow = "1.0.72"
 async-trait = "0.1.72"
 http = "0.2.9"
 url = "2.4.0"
-serde = { version = "1.0.176", features = ["derive"] }
+serde = { version = "1.0.177", features = ["derive"] }
 tower = { version = "0.4.13", features = ["util"] }
 
 mas-axum-utils = { path = "../axum-utils" }