Fix conditional syntax issue in macOS libusb check (#9384)

This pull request addresses a minor but important syntax issue in the conditional statement used to check for the presence of libusb on macOS.

foundryup/install

@@ -54,7 +54,7 @@ if [[ ":$PATH:" != *":${FOUNDRY_BIN_DIR}:"* ]]; then
 fi
 
 # Warn MacOS users that they may need to manually install libusb via Homebrew:
-if [[ "$OSTYPE" =~ ^darwin ]] && [[ ! -f /usr/local/opt/libusb/lib/libusb-1.0.0.dylib && ! -f /opt/homebrew/opt/libusb/lib/libusb-1.0.0.dylib ]]; then
+if [[ "$OSTYPE" =~ ^darwin ]] && [[ ! -f /usr/local/opt/libusb/lib/libusb-1.0.0.dylib ]] && [[ ! -f /opt/homebrew/opt/libusb/lib/libusb-1.0.0.dylib ]]; then
     echo && echo "warning: libusb not found. You may need to install it manually on MacOS via Homebrew (brew install libusb)."
 fi