Bump serde_json from 1.0.75 to 1.0.78 in /frontend/src-wasm

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.75 to 1.0.78.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](serde-rs/json@v1.0.75...v1.0.78)

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

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

frontend/src-wasm/Cargo.toml

@@ -22,7 +22,7 @@ load_save = { path = "../../crates/load_save/", default-features = false }
 log = "0.4.14"
 search = { path = "../../crates/search/", default-features = false }
 serde = "1.0.133"
-serde_json = "1.0.75"
+serde_json = "1.0.78"
 types = { path = "../../crates/types/" }
 wasm-bindgen = { version = "=0.2.78", features = ["serde-serialize"] } # TODO(#1078)
 wasm-bindgen-futures = "0.4.28"