Nightly: use dev setup-r-sysreqs action

To install x86_64 packages on arm64 runners.

[ci skip]

Author: gaborcsardi

.github/workflows/nightly.yaml

@@ -107,7 +107,9 @@ jobs:
         brew tap r-lib/rig
         brew install r-lib/rig/rig
 
-    - uses: r-hub/actions/setup-r-sysreqs@v1
+    - uses: r-hub/actions/setup-r-sysreqs@main
+      with:
+        arch: x86_64
 
     - name: Install R
       run: |
@@ -160,7 +162,9 @@ jobs:
         brew tap r-lib/rig
         brew install r-lib/rig/rig
 
-    - uses: r-hub/actions/setup-r-sysreqs@v1
+    - uses: r-hub/actions/setup-r-sysreqs@main
+      with:
+        arch: arm64
 
     - name: Install R
       run: |