Update GH runner from deprecated ubuntu-20.04 to ubuntu-24.04

Author: knopers8

.github/workflows/control.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macOS-latest, ubuntu-20.04]
+        os: [macOS-latest, ubuntu-24.04]
         go: [ '1.21.5' ]
     steps:
       - uses: actions/checkout@v2