Replaced R-Studio [4.1.2] with sr-r1 tag.

This image contains cmake which solved the installation problem of the package `car`.

values.template.yaml

@@ -144,7 +144,7 @@ singleuser:
         nvidia.com/gpu: "2"
   - display_name: Stack R-Studio [4.1.2]
     kubespawner_override:
-      image_spec: gitlab-registry.nrp-nautilus.io/youngsu_kim/csusb-jupyter-stack/stack-rstudio:rmarkdown
+      image_spec: gitlab-registry.nrp-nautilus.io/youngsu_kim/csusb-jupyter-stack/stack-rstudio:sr-r1
   - display_name: Stack R-Studio
     kubespawner_override:
       image_spec: localhost:30081/prp/jupyter-stack/r-studio