test with go 1.23

Author: mweibel

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ '1.22', '1.21', '1.20' ]
+        go: [ '1.23', '1.22', '1.21', '1.20' ]
     steps:
     - uses: actions/checkout@v2