Add unixodbc-dev install step for Linux runners

Author: rich-iannone

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

@@ -46,6 +46,12 @@ jobs:
 
       - uses: r-lib/actions/setup-pandoc@v2
 
+      - name: Install system dependencies
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y unixodbc-dev
+
       - uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}