Update Dockerfile

- Bump to Alpine 3.20

Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 ## Buildstage ##
-FROM ghcr.io/linuxserver/baseimage-alpine:3.19 as buildstage
+FROM ghcr.io/linuxserver/baseimage-alpine:3.20 as buildstage
 
 ARG MOD_VERSION
 
@@ -21,7 +21,7 @@ FROM scratch
 LABEL org.opencontainers.image.source=https://github.com/TheCaptain989/lidarr-flac2mp3
 LABEL org.opencontainers.image.description="A Docker Mod to Lidarr to automatically convert FLAC files to MP3s, or other format"
 LABEL org.opencontainers.image.licenses=GPL-3.0-only
-LABEL org.opencontainers.image.authors="TheCaptain989"
+LABEL org.opencontainers.image.authors="TheCaptain989 <[email protected]>"
 
 # Add files from buildstage
 COPY --from=buildstage /root-layer/ /