bump docker base image version and node version

Dockerfile

@@ -16,7 +16,7 @@
 # Archivebox](https://github.com/ArchiveBox/ArchiveBox#archivebox-development).
 
 
-FROM python:3.10-slim-bullseye
+FROM python:3.11-slim-bullseye
 
 LABEL name="archivebox" \
     maintainer="Nick Sweeting <[email protected]>" \
@@ -62,7 +62,7 @@ RUN apt-get update -qq \
 
 # Install Node environment
 RUN curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - \
-    && echo 'deb https://deb.nodesource.com/node_17.x buster main' >> /etc/apt/sources.list \
+    && echo 'deb https://deb.nodesource.com/node_18.x buster main' >> /etc/apt/sources.list \
     && apt-get update -qq \
     && apt-get install -qq -y --no-install-recommends \
         nodejs \