Use only 1.23 in GitHub Action's version matrix (#192)

Author: jub0bs

.github/workflows/go.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ["1.17", "1.21"]
+        go: ["1.23"]
     steps:
     - name: Set up Go ${{ matrix.go }}
       uses: actions/setup-go@v1