Updated back to debian slim and install locales

PBS-Client/Dockerfile

@@ -1,7 +1,9 @@
-ARG BUILD_FROM
-FROM $BUILD_FROM
+FROM debian:bookworm-slim
 
-ENV LANG C.UTF-8
+# https://hub.docker.com/_/debian
+RUN apt-get update && apt-get install -y locales && rm -rf /var/lib/apt/lists/* \
+	&& localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
+ENV LANG en_US.utf8
 
 # Copy data for add-on
 COPY run.sh /