ci: Try to supply xelatex as path [fix]

Author: hoijui

.github/workflows/movedo.yml

@@ -64,7 +64,7 @@ jobs:
           export PATH="$PATH:$HOME/.pdsite/bin"
           export MVD_SINGLE_FILE=false
           mvd build
-          mvd make_pdf --mvd-individual --pdf-engine=xelatex
+          mvd make_pdf --mvd-individual --pdf-engine=/usr/bin/xelatex
 
       - name: "tree - after build"
         run: |