Update CI

Author: Craig Pastro

.github/workflows/workflow.yaml

@@ -8,7 +8,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.17
+          go-version: 1.20
       - uses: actions/checkout@v3
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go-version: [ '1.16', '1.17', '1.18', '1.19' ]
+        go-version: [ '1.18', '1.19', '1.20' ]
         os: [ubuntu-latest, macos-latest, windows-latest]
     env:
       OS: ${{ matrix.os }}