Add missing xdg-utils dependency

PKGBUILD

@@ -9,7 +9,7 @@ pkgdesc="A powerful knowledge base that works on top of a local folder of plain
 arch=('x86_64')
 url="https://obsidian.md/"
 license=('custom:Commercial')
-depends=('zlib' 'hicolor-icon-theme' 'fuse' 'electron')
+depends=('zlib' 'hicolor-icon-theme' 'fuse' 'electron', 'xdg-utils')
 makedepends=('asar')
 options=(!strip)
 source=("obsidian.sh"