cargo-shear: update description

https://github.com/Boshen/cargo-shear/blob/7ea665b0f24b915d000a533b6d5573f04ecd9466/Cargo.toml#L5
(cherry picked from commit 6f3b147)

Author: xtqqczze

pkgs/by-name/ca/cargo-shear/package.nix

@@ -38,7 +38,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
   };
 
   meta = {
-    description = "Detect and remove unused dependencies from Cargo.toml";
+    description = "Detect and fix unused/misplaced dependencies from Cargo.toml";
     mainProgram = "cargo-shear";
     homepage = "https://github.com/Boshen/cargo-shear";
     changelog = "https://github.com/Boshen/cargo-shear/blob/v${finalAttrs.version}/CHANGELOG.md";