Add sudo.

.github/workflows/validate.yml

@@ -16,7 +16,7 @@ jobs:
         id: builder
         working-directory: ${{ env.working-directory }} 
         run: |
-          bash build.sh
+          sudo bash build.sh
           echo ::set-output name=filename::$(ls deploy/*.tar.xz | xargs -n 1 basename)
       - name: Fix Permissions
         id: fix_perm_filename