install parallel (with moreutils)

Author: michael-kerscher

.github/workflows/publish.yml

@@ -43,6 +43,7 @@ jobs:
       - name: Build all translations
         # note: build.sh here uses the given book path relative to source/{language}
         run: |
+          sudo apt install moreutils
           parallel -i .github/workflows/build.sh {} book/{} -- ${{ env.LANGUAGES }}
           parallel -i mv source/{}/book/{}/html book/html/{} -- ${{ env.LANGUAGES }}
       - name: Build translation report