added lua to build environments

.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
       - name: "Install LaTeX and dependencies"
         run: |
           sudo apt-get update
-          sudo apt-get install --no-install-recommends -y texlive-latex-base texlive-latex-extra texlive-fonts-recommended texlive-extra-utils texlive-lang-german xzdec ghostscript make
+          sudo apt-get install --no-install-recommends -y texlive-latex-base texlive-latex-extra texlive-fonts-recommended texlive-extra-utils texlive-lang-german xzdec ghostscript make lua5.3
 
       - run: make Ausgaben/PfadiralalaIV.pdf
       - run: make Ausgaben/PfadiralalaIV-pics.pdf

Tools/Dockerfile

@@ -19,7 +19,7 @@ RUN make install
 FROM ubuntu:bionic
 LABEL maintainer="[email protected]"
 LABEL description="A docker image for build the Pfadiralala IV VCP Kurhessen (german scouts) songbook."
-LABEL version="1.0"
+LABEL version="1.1"
 
 ENV DEBIAN_FRONTEND noninteractive
 
@@ -33,6 +33,7 @@ RUN apt-get update \
         xzdec \
         ghostscript \
         make \
+        lua5.3 \
     && apt-get clean
 
 RUN mkdir /PfadiralalaIV