Update ubuntu runner version.

Author: tjko

.github/workflows/compile.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-22.04, ubuntu-latest, macos-latest, windows-latest]
         include:
           - os: windows-latest
             triplet: x64-windows