Update ChordPro to 6.090.0

Dockerfile

@@ -1,4 +1,4 @@
-FROM debian:trixie-slim
+FROM debian:bullseye-slim
 
 ENV CHORDPRO_PIPELINE=true
 
@@ -14,7 +14,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     git \
     wget \
     libio-socket-ssl-perl \
-    libharfbuzz-shaper-perl \
     ghostscript \
     nodejs \
  && rm -rf /var/lib/apt/lists/*