Update GHA runner images

Signed-off-by: Austin Vazquez <[email protected]>

Author: austinvazquez

.github/workflows/go.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         go: ['1.14', '1.15', '1.16', '1.17', '1.18', '1.19']
-        os: ['ubuntu-18.04', 'ubuntu-20.04']
+        os: ['ubuntu-22.04']
       fail-fast: false
     name: ${{ matrix.os }} / Go ${{ matrix.go }}
     runs-on: ${{ matrix.os }}