Bump for new stable release

6.0.0.334/Dockerfile

@@ -1,4 +1,4 @@
-FROM mono:5.18.1.28-slim
+FROM mono:6.0.0.334-slim
 
 # MAINTAINER Jo Shields <jo.shields@xamarin.com>
 # MAINTAINER Alexander Köplinger <alkpli@microsoft.com>

6.0.0.334/slim/Dockerfile

@@ -3,7 +3,7 @@ FROM debian:stretch-slim
 # MAINTAINER Jo Shields <jo.shields@xamarin.com>
 # MAINTAINER Alexander Köplinger <alkpli@microsoft.com>
 
-ENV MONO_VERSION 6.0.0.313
+ENV MONO_VERSION 6.0.0.334
 
 RUN apt-get update \
   && apt-get install -y --no-install-recommends gnupg dirmngr \

6.4.0.198/Dockerfile

@@ -1,4 +1,4 @@
-FROM mono:6.0.0.313-slim
+FROM mono:6.4.0.198-slim
 
 # MAINTAINER Jo Shields <jo.shields@xamarin.com>
 # MAINTAINER Alexander Köplinger <alkpli@microsoft.com>

6.4.0.198/slim/Dockerfile

@@ -3,7 +3,7 @@ FROM debian:stretch-slim
 # MAINTAINER Jo Shields <jo.shields@xamarin.com>
 # MAINTAINER Alexander Köplinger <alkpli@microsoft.com>
 
-ENV MONO_VERSION 5.18.1.28
+ENV MONO_VERSION 6.4.0.198
 
 RUN apt-get update \
   && apt-get install -y --no-install-recommends gnupg dirmngr \

generate-stackbrew-library.sh

@@ -4,10 +4,12 @@ set -e
 # we want the current latest version, one minor version before that
 # and the last version before a major version bump
 aliases=(
-	'latest     -> 6.0.0.313'
-	'6.0.0      -> 6.0.0.313'
-	'6.0        -> 6.0.0.313'
-	'6          -> 6.0.0.313'
+	'latest     -> 6.4.0.198'
+	'6.4.0      -> 6.4.0.198'
+	'6.4        -> 6.4.0.198'
+	'6.0.0      -> 6.0.0.334'
+	'6.0        -> 6.0.0.334'
+	'6          -> 6.4.0.198'
 	'5.20.1     -> 5.20.1.34'
 	'5.20       -> 5.20.1.34'
 	'5.18.1     -> 5.18.1.28'