Fix syntax for RStudio version

This would render as `rstudio-server/2025.05.1-513}`, causing a module
load error.

Author: priteau

environments/common/inventory/group_vars/all/openondemand.yml

@@ -199,7 +199,7 @@ openondemand_apps_rstudio_default:
       widget: select
       options:
         - "RStudio v{{ openondemand_rstudio_version }}"
-        - "rstudio-server/{{ openondemand_rstudio_version }}}"
+        - "rstudio-server/{{ openondemand_rstudio_version }}"
     extra_modules_script:
       label: Extra modules script
       help: If you'd like to load additional modules alongside RStudio-Server, put the 'module load ...' commands into a text file (one 'module load...' per line) and specify its path here # noqa: yaml[line-length]