Update CI build matrix

.github/workflows/test.yaml

@@ -4,12 +4,12 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.16.x, 1.17.x]
+        go-version: [1.18.x, 1.19.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
     - name: Install Go
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
         go-version: ${{ matrix.go-version }}
     - name: Install PAM
@@ -17,6 +17,6 @@ jobs:
     - name: Add a test user
       run: sudo useradd -d /tmp/test -p '$1$Qd8H95T5$RYSZQeoFbEB.gS19zS99A0' -s /bin/false test
     - name: Checkout code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: Test
       run: sudo go test -v ./...