CI: build for sm80 when running tests

Author: matthewdouglas

.github/workflows/test-runner.yml

@@ -167,7 +167,7 @@ jobs:
         run: bash .github/scripts/build-cuda.sh
         env:
           cuda_version: ${{ inputs.cuda_version }}
-          cuda_targets: "75;89"
+          cuda_targets: "75;80;89"
 
       - name: Upload build artifact
         uses: actions/upload-artifact@v4