- Update bot version

- Made changing bot version in Dockerfile easier

Dockerfile

@@ -2,6 +2,8 @@ FROM lsiobase/alpine:3.12
 
 LABEL maintainer="Griefed <griefed@griefed.de>"
 
+ARG BOT_VERSION=1.2.3
+
 RUN \
   echo "**** install dependencies and build tools and stuff ****" && \
   apk add --no-cache \
@@ -13,7 +15,7 @@ RUN \
   echo "**** installing application ****" && \
     curl -o \
       /app/curseforgebot/curseforgebot.jar -L \
-        "https://github.com/ErdbeerbaerLP/Curseforge-Bot/releases/download/1.2.2/Curseforge-Bot-1.2.2.jar" && \
+        "https://github.com/ErdbeerbaerLP/Curseforge-Bot/releases/download/${BOT_VERSION}/Curseforge-Bot-${BOT_VERSION}.jar" && \
   echo "**** Cleanup ****" && \
     rm -rf \
       /root/.cache \