Add pybuild-plugin-pyproject as build depends

- Add discussion permission

.github/workflows/publish-deb.yml

@@ -23,6 +23,7 @@ jobs:
     permissions:
       contents: write
       packages: write
+      discussions: write
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
@@ -38,7 +39,7 @@ jobs:
           sudo apt-get update -qq
           sudo apt install -y build-essential debhelper devscripts dh-python \
           desktop-file-utils gettext libglib2.0-bin libgtk-4-bin meson python3 \
-          python3-sphinx python3-sphinx-argparse
+          pybuild-plugin-pyproject python3-sphinx python3-sphinx-argparse
       
       - name: build-deb
         run: |