Switch to r-4.6 release container

Author: jeroen

.github/workflows/test.yml

@@ -2,6 +2,7 @@ on:
   push:
   schedule:
     - cron: "0 2 * * *"
+  workflow_dispatch:
 
 name: Test on Ubuntu 24.04
 

Dockerfile

@@ -1,5 +1,4 @@
-# TODO: switch to release container when R-4.6 is out
-FROM ghcr.io/r-universe-org/base-image:devel
+FROM ghcr.io/r-devel/ubuntu-24.04:latest
 
 RUN echo "R_PLATFORM_PKGTYPE=linux.binary.noble-$(arch)" >> "$HOME/.Renviron"