Fix R devcontainer build

Author: jpvelez

template/.devcontainer/devcontainer.json.jinja

@@ -6,15 +6,15 @@
     "ghcr.io/devcontainers/features/python:1": { "version": "3.13" }{% endif %}{% if r_data_science  %},
     "ghcr.io/rocker-org/devcontainer-features/r-rig:1": {
       "version": "4.4.3",
-      "installREnv": true,
-      "installRMarkdown": true,
-      "vscodeRSupport": true,
-      "installVscDebugger": true,
-      "installRadian": true
+      "installREnv": "true",
+      "installRMarkdown": "true",
+      "vscodeRSupport": "full",
+      "installVscDebugger": "true",
+      "installRadian": "true"
     }{% endif %}{% if python_data_science  or r_data_science  %},
     "ghcr.io/rocker-org/devcontainer-features/quarto-cli:1": {
       "version": "1.7.33",
-      "installChromium": true
+      "installChromium": "true"
     },
     "ghcr.io/rocker-org/devcontainer-features/apt-packages:1": {
       "packages": "chromium python3-tk"