Add release profile optimizations to Cargo.toml

Co-authored-by: Copilot <copilot@github.com>

Cargo.toml

@@ -17,3 +17,9 @@ walkdir = "2"
 
 [dev-dependencies]
 tempfile = "3"
+
+[profile.release]
+opt-level = 3
+strip = true
+lto = true
+codegen-units = 1