chore(Dockerfile): update maintainer label for consistency

Update the maintainer label to "All Things Linux IRC Infrastructure"
for improved readability and consistency with branding. This change
ensures that the label accurately reflects the name of the organization
responsible for maintaining the Docker image.

Author: kzndotsh

Dockerfile

@@ -2,7 +2,7 @@
 FROM debian:bookworm-slim AS base
 
 # Add metadata labels
-LABEL maintainer="AllThingsLinux IRC Infrastructure" \
+LABEL maintainer="All Things Linux IRC Infrastructure" \
     description="Optimized IRC services with UnrealIRCd and Atheme" \
     version="1.0.0" \
     org.opencontainers.image.source="https://github.com/allthingslinux/irc.atl.chat"