Temporary fix release action failed issue

.github/workflows/generate_doc.yaml

@@ -28,7 +28,7 @@ jobs:
             lkmpg.pdf
             lkmpg-html.tar.gz
       - name: Release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v0.1.8
         with:
           files: |
             lkmpg.pdf