fix(ci): Add security-events permission to Docker workflow (#25)

The Docker Build workflow was failing when uploading Trivy security scan results
because it lacked the 'security-events: write' permission required by the
github/codeql-action/upload-sarif action.

Error: Resource not accessible by integration

This adds the missing permission to allow SARIF uploads to GitHub Security.

Author: CervezaStallone

.github/workflows/docker.yml

@@ -19,6 +19,7 @@ jobs:
     permissions:
       contents: read
       packages: write
+      security-events: write
 
     steps:
     - name: Checkout code