Update action.yaml

Author: schloerke

.github/internal/install-shinyverse/action.yaml

@@ -74,11 +74,14 @@ runs:
           } else if (short_r_version == "4.2") {
             "42"
           } else {
-            message("Not setting Rtools version!")
-            return()
+            ""
           }
-        message("Using Rtools v", value)
-        cat("value=", value, "\n", file = Sys.getenv("GITHUB_OUTPUT"), sep = "", append = TRUE)
+        if (nchar(value) > 0) {
+          message("Using Rtools v", value)
+          cat("value=", value, "\n", file = Sys.getenv("GITHUB_OUTPUT"), sep = "", append = TRUE)
+        } else {
+          message("Not setting Rtools version!")
+        }
 
     # We need to have the first repo to be `shinyverse` repo, then RSPM, then cran-url
     # Recreate logic from https://github.com/r-lib/actions/blob/413b6a4ba22b7bcaa726df1c8f88dcd574fbc8c4/setup-r/src/installer.ts#L598-L670