chore: downgrade libc to fix iOS build

Cargo.lock

@@ -3476,9 +3476,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.180"
+version = "0.2.179"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
+checksum = "c5a2d376baa530d1238d133232d15e239abad80d05838b4b59354e5268af431f"
 
 [[package]]
 name = "libdbus-sys"