Test manual

Author: andrjohns

.github/workflows/rtools.yml

@@ -25,4 +25,7 @@ jobs:
     runs-on: windows-11-arm
 
     steps:
-    - uses: r-lib/actions/setup-r@v2
+    - name: Setup RTools
+      run: |
+        wget https://github.com/r-hub/rtools45/releases/download/latest/rtools45-aarch64.exe D:\a\_temp\rtools45-aarch64.exe
+        D:\a\_temp\rtools45-aarch64.exe /VERYSILENT /SUPPRESSMSGBOXES