downgrade to ubuntu22 for build

Author: adam-beauchamp

.github/workflows/frequent_check.yml

@@ -92,7 +92,7 @@ jobs:
   build-linux-cmake:
     strategy:
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-22.04]
         python-version: ['3.7']
     name: ${{ matrix.os }}-${{ matrix.python-version }}-CMake
     runs-on: ${{ matrix.os }}