ci: remove ubuntu 20 build

Author: JaDogg

.github/workflows/development.yml

@@ -37,7 +37,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-22.04]
+        os: [ubuntu-22.04]
     steps:
     - name: Checkout git repo
       uses: actions/checkout@v4
@@ -93,4 +93,4 @@ jobs:
       - name: Test
         working-directory: main/compiler/cmake-build-release
         run: |
-          ninja test
+          ninja test