Remove nanoserde

I did want to use it, but it doesn't support TOML and doesn't seem like it will for a while, unfortunately.

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "cpkg"
 description = "A dead simple C package manager."
-version = "0.8.0"
+version = "0.8.1"
 edition = "2021"
 
 authors = ["David Cruz <[email protected]>"]
@@ -14,7 +14,6 @@ anyhow = "1.0.81"
 clap = { version = "4.5.3", features = ["derive"] }
 colored = "2.1.0"
 indoc = "2.0.5"
-nanoserde = "0.1.37"
 rustyline = "14.0.0"
 self_update = "0.39.0"
 serde = { version = "1.0.197", features = ["derive"] }