ci(test): add kdig

Author: exiguus

.github/workflows/ci.yml

@@ -36,6 +36,12 @@ jobs:
             - name: Run golangci-lint
               run: golangci-lint run ./...
 
+            - name: Install kdig
+              run: |
+                  sudo apt-get update
+                  sudo apt-get install -y knot-dnsutils
+                  kdig --version || true
+
             - name: Run tests
               run: go test ./... -v