Inject tmate

Author: DavisVaughan

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

@@ -69,6 +69,12 @@ jobs:
           extra-packages: any::rcmdcheck
           needs: check
 
+      - name: Setup tmate session
+        uses: mxschmitt/action-tmate@v3
+        timeout-minutes: 30
+        with:
+          limit-access-to-actor: true
+
       - name: Install cpp11test
         if: matrix.config.custom != 'no-cpp11test'
         run: |