ci: Add Tweak for Windows R 4.1

Author: yutannihilation

.github/workflows/R-CMD-check.yaml

@@ -58,6 +58,15 @@ jobs:
           http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
 
+      # TODO: remove this when R 4.6 is released
+      - name: Tweak for old Windows (R 4.1)
+        uses: r-lib/actions/setup-r-dependencies@v2
+        if: ${{ matrix.config.os == 'windows-latest' && matrix.config.r = 'oldrel-4' }}
+        with:
+          cache-version: 3
+          packages: >
+            [email protected]
+
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
           cache-version: 3