Update Dockerfile

Dockerfile

@@ -1,5 +1,5 @@
 # Build Stage 2: Copy Build Stage 1 files in to Stage 2. Install chromium dependencies and chromium.
-FROM node:22-slim
+FROM node:20-buster-slim
 RUN apt-get update \
     && apt-get install -y x11-apps\
     && apt-get install -y wget gnupg chromium mesa-va-drivers libva-drm2 libva-x11-2 mesa-utils mesa-utils-extra nodejs npm fonts-noto-color-emoji\
@@ -10,4 +10,4 @@ RUN apt-get update \
 RUN mkdir /var/ffmpeg && cd /var/ffmpeg
 RUN wget https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz && \
     tar xvf ./ffmpeg-release-amd64-static.tar.xz --one-top-level=ffmpeg2 --strip-components 1 && \
-    mv ${FUNCTION_DIR}/ffmpeg2 ${FUNCTION_DIR}/ffmpeg
+    mv ${FUNCTION_DIR}/ffmpeg2 ${FUNCTION_DIR}/ffmpeg