Use old Ubuntu version.

Author: gdziadkiewicz

.github/workflows/main.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macOS-13]
+        os: [ubuntu-22.04, windows-latest, macOS-13]
     runs-on: ${{ matrix.os }}
 
     steps: