update: dockerfile without version ffmpge

Dockerfile

@@ -5,9 +5,12 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 # Install system dependencies
 RUN apt-get update && apt-get install -y \
+    software-properties-common && \
+    add-apt-repository -y ppa:ubuntu-toolchain-r/test && \
+    apt-get update && apt-get install -y \
     python3.9 \
     python3-pip \
-    ffmpeg=7:4.4.2-0ubuntu0.22.04.1+esm5 \
+    ffmpeg \
     imagemagick \
     && rm -rf /var/lib/apt/lists/*