Fix tests

.github/workflows/quicktest.yml

@@ -107,7 +107,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - run: sudo apt -y update && sudo apt -y install monolith
+    - run: curl -sL https://github.com/Y2Z/monolith/releases/download/v2.10.1/monolith-gnu-linux-x86_64 -o /usr/local/bin/monolith ; chmod a+x /usr/local/bin/monolith
     - run: make -C test tutorials_essential
     - run: make -C test clean_tutorials_essential
   tutorials_win: