Forgot to define QMAKE_PATH

Author: misieur

.github/workflows/build.yml

@@ -216,6 +216,9 @@ jobs:
           
           # Remove unused SQL drivers that cause ldd failures
           rm -rf ../Qt/6.8.3/gcc_64/plugins/sqldrivers
+          
+          export PATH=$(readlink -f ../Qt/6.8.3/gcc_64/bin):$PATH
+          QMAKE_PATH=$(which qmake)
 
           cat <<EOF > dist/packobf_gui.desktop
           [Desktop Entry]