update r (depends on deprecated curl)

site-config/ebrainslab/packages.yaml

@@ -8,7 +8,7 @@ packages:
         require: "@3.8.11"
     r:
         # EM: +X fixes build for collab
-        require: "@4.1.3+X"
+        require: "@4.3.0+X"
     py-torch:
         # ECM: keep at latest w.r.t. tracked upstream spack
         version: [1.11.0]