fix: install script mount point parsing for DMG volumes with spaces

hdiutil attach -quiet suppresses all stdout, so the mount point was
never captured. Remove -quiet and parse the tab-separated output with
tail + sed instead.

Author: jcanizalez

install.sh

@@ -40,7 +40,7 @@ case "$OS" in
     curl -fSL --progress-bar -o "${TMPDIR_INSTALL}/${ARTIFACT}" "$URL"
 
     echo "Mounting DMG..."
-    MOUNT_POINT="$(hdiutil attach "${TMPDIR_INSTALL}/${ARTIFACT}" -nobrowse -quiet | grep '/Volumes/' | sed 's/.*\(\/Volumes\/.*\)/\1/' | head -1)"
+    MOUNT_POINT="$(hdiutil attach "${TMPDIR_INSTALL}/${ARTIFACT}" -nobrowse | tail -1 | sed 's/.*	//')"
 
     if [ -d "/Applications/${APP_NAME}.app" ]; then
       echo "Removing previous installation..."