fix: govulncheck must use go1.19.2

.github/workflows/vulncheck.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19.x
+          go-version: 1.19.2
           check-latest: true
       - name: Get official govulncheck
         run: go install golang.org/x/vuln/cmd/govulncheck@latest