bump minimum version

Author: camdencheek

.github/workflows/go.yml

@@ -14,7 +14,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: ['1.19', 'stable']
+        go-version: ['1.20', 'stable']
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3