Do not test against Go 1.20

Author: fehmicansaglam

.github/workflows/go.yml

@@ -11,7 +11,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: ["v1.22", "v1.20"]
+        go-version: ["v1.22"]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4