Packed both crates into one

frontend/Cargo.toml

@@ -12,7 +12,7 @@ path = "src/main.rs"
 
 [dependencies]
 yew = { version = "0.23", features = ["csr"] }
-serde = { version = "1.0.228", features = ["derive"] }
+serde = { workspace = true }
 wasm-bindgen = "0.2.118"
 wasm-bindgen-futures = "0.4.68"
 web-sys = { version = "0.3.95", features = [
@@ -22,7 +22,7 @@ web-sys = { version = "0.3.95", features = [
 gloo-net = "0.7.0"
 gloo-storage = "0.4.0"
 yew-router = "0.20.0"
-serde_json = "1.0.149"
+serde_json = { workspace = true }
 gloo = "0.12.0"
-chrono = { version = "0.4.44", features = ["serde"] }
+chrono = { workspace = true }
 chrono-tz = "0.10.4"