Adding workspace dependencies

serde_derive/Cargo.toml

@@ -21,9 +21,9 @@ name = "serde_derive"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.74"
-quote = "1.0.35"
-syn = "2.0.46"
+proc-macro2 = { workspace = true }
+quote = { workspace = true }
+syn = { workspace = true }
 
 [dev-dependencies]
 serde = { version = "1", path = "../serde" }