typo in trivy action

Author: GA-XavierGonzalez

.github/workflows/scan-image.yml

@@ -52,7 +52,7 @@ jobs:
           exit-code: '1'
           ignore-unfixed: true
           vuln-type: 'os,library'
-          severity: 'CRITICAL, HIGH, MEDIUM, LOW'
+          severity: 'CRITICAL,HIGH,MEDIUM,LOW'
           scanners: 'vuln'
           timeout: '15m0s'
           output: 'trivy-results.sarif'