fix GH workflow

Signed-off-by: Grant Linville <[email protected]>

Author: g-linville

.github/workflows/test.yaml

@@ -33,10 +33,8 @@ jobs:
           fi
         shell: bash
       - name: Validate
-        run: | 
-          if [ ${{ matrix.os }} != 'windows-latest' ]; then
-            make validate
-          fi
+        if: matrix.os == 'ubuntu-22.04'
+        run: make validate
       - name: Build
         run: make build
       - name: Run Tests