fix: Adding docker tag for use in Trivy scan action

Author: GeorgeDavis-Ibexlabs

.github/workflows/docker-publish.yml

@@ -66,7 +66,7 @@ jobs:
         uses: aquasecurity/trivy-action@0.24.0
         with:
           scan-type: 'image'
-          image-ref: 'georgedavisibexlabs/publish-sarif-to-jira'
+          image-ref: 'georgedavisibexlabs/publish-sarif-to-jira:main'
           limit-severities-for-sarif: true
           trivy-config: .github/config/trivy-sarif.yaml