test on more recents go releases

Author: nxadm

.github/workflows/ci.yml

@@ -4,7 +4,7 @@ jobs:
   test-build:
     strategy:
       matrix:
-        go-version: [1.17.x, 1.16.x, 1.15.x, 1.14.x, 1.13.x, 1.12.x]
+        go-version: [1.21.x, 1.20.x, 1.19.x, 1.18.x]
         os: [ubuntu-20.04, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps: