update pkg versions to match Ubuntu 24.04 LTS

Dockerfile

@@ -29,7 +29,7 @@ RUN make -j4
 
 FROM base AS cloudron
 RUN apt update && apt install -y --no-install-recommends \
-    liblmdb0 libflatbuffers1 libsecp256k1-0 libb2-1 libzstd1 \
+    liblmdb0 libflatbuffers2 libsecp256k1-1 libb2-1 libzstd1 \
     && rm -rf /var/lib/apt/lists/*
 RUN mkdir -p /app/code /app/pkg
 WORKDIR /app/code