gh/workflows: Upload pwru logs upon failure

To debug flakes.

Signed-off-by: Martynas Pumputis <[email protected]>

Author: brb

.github/actions/pwru-test/action.yaml

@@ -44,3 +44,10 @@ runs:
           wait \$PWRU_PID
 
           grep -P '${{ inputs.expected-output-pattern }}' /tmp/pwru-${{ inputs.test-name }}.log
+
+    - name: Upload artifacts
+      if: ${{ !success() }}
+      uses: actions/upload-artifact@1746f4ab65b179e0ea60a494b83293b640dd5bba # v4.3.2
+      with:
+        name: logs-${{ inputs.test-name }}
+        path: /tmp/pwru-*