chore: Fix Dockerfile warnings

Author: atlas-oc

Dockerfile

@@ -98,9 +98,9 @@ RUN apt-get update -y && apt-get install -y tailscale 1password-cli \
 # Set the locale
 RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
 
-ENV LANG en_US.UTF-8
-ENV LANGUAGE en_US:en
-ENV LC_ALL en_US.UTF-8
+ENV LANG="en_US.UTF-8"
+ENV LANGUAGE="en_US:en"
+ENV LC_ALL="en_US.UTF-8"
 
 RUN mkdir /mnesia