chore: revert code units

Author: dancixx

.github/workflows/rust.yml

@@ -135,7 +135,7 @@ jobs:
         env:
           CARGO_INCREMENTAL: "0"
           CARGO_PROFILE_RELEASE_LTO: "false"
-          CARGO_PROFILE_RELEASE_CODEGEN_UNITS: "16"
+          CARGO_PROFILE_RELEASE_CODEGEN_UNITS: "1"
           CARGO_PROFILE_RELEASE_DEBUG: "1"
           RUSTFLAGS: "-C instrument-coverage"
           LLVM_PROFILE_FILE: "coverage-%p-%m.profraw"