Merge pull request #82 from dolmen-go/upgrade-x-sys-tagged

deps: use a tagged version of golang.org/x/sys
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ff981c9..4bd9a88 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,8 +14,9 @@
           - macos-latest
           - windows-latest
         go:
-          - '1.18'
+          - '1.20'
           - '1.19'
+          - '1.18'
           - '1.17'
     steps:
       - uses: actions/setup-go@v2