fix(CI): temporarily fix Windows build

Author: Xmader

setup.sh

@@ -34,7 +34,9 @@ fi
 # Install rust compiler
 echo "Installing rust compiler"
 curl --proto '=https' --tlsv1.2 https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain 1.76
-. $HOME/.cargo/env
+if [[ "$OSTYPE" != "msys"* ]]; then # not Windows
+  . $HOME/.cargo/env
+fi
 cargo install cbindgen
 # Setup Poetry
 echo "Installing poetry"