ci(docker): fail push when trivy finds CRITICAL/HIGH issues

- Add Trivy vulnerability scanner step before Docker image push
- Upload SARIF results to GitHub Security tab

.github/workflows/docker.yml

@@ -75,6 +75,21 @@ jobs:
           load: true
           tags: drone-ssh:scan
 
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@v0.35.0
+        with:
+          image-ref: "drone-ssh:scan"
+          format: "sarif"
+          output: "trivy-image-results.sarif"
+          severity: "CRITICAL,HIGH"
+          exit-code: '1'
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v4
+        if: always()
+        with:
+          sarif_file: "trivy-image-results.sarif"
+          category: "trivy-docker-image"
+
       - name: Build and push
         if: success()
         uses: docker/build-push-action@v7

.github/workflows/testing.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Setup golangci-lint
         uses: golangci/golangci-lint-action@v9
         with:
-          version: latest
+          version: v2.11
           args: --verbose
 
       - uses: hadolint/hadolint-action@v3.3.0

go.mod

@@ -1,6 +1,6 @@
 module github.com/appleboy/drone-ssh
 
-go 1.25.0
+go 1.25.9
 
 require (
 	github.com/appleboy/easyssh-proxy v1.5.2