fix: Dockerfile

.maintain/docker/Dockerfile

@@ -22,7 +22,7 @@ COPY ./Cargo.toml /app/Cargo.toml
 RUN cargo build --release
 
 # Production image, copy all the files and run
-FROM debian:buster-slim AS runner
+FROM debian:bullseye-slim AS runner
 LABEL social.myriad.image.authors="[email protected]"
 # Create user and set ownership and permissions as required
 RUN useradd -m -u 1001 -U -s /bin/sh -d /home/myriad myriad