fix(samples): should use effective_severity field (#200)

Use new effective_severity field

fixes b/142836422

Author: daniel-sanche

container-analysis/snippets/highVulnerabilitiesForImage.js

@@ -45,8 +45,8 @@ async function main(
     console.log(`High Severity Vulnerabilities for ${imageUrl}`);
     occurrences.forEach(occurrence => {
       if (
-        occurrence.vulnerability.severity === 'HIGH' ||
-        occurrence.vulnerability.severity === 'CRITICAL'
+        occurrence.vulnerability.effective_severity === 'HIGH' ||
+        occurrence.vulnerability.effective_severity === 'CRITICAL'
       ) {
         console.log(`${occurrence.name}:`);
       }

container-analysis/snippets/test/containerAnalysis.test.js

@@ -189,7 +189,7 @@ describe('Note tests', () => {
         noteName: `${formattedNoteName}-critical`,
         resourceUri: resourceUrl,
         vulnerability: {
-          severity: 'CRITICAL',
+          effective_severity: 'CRITICAL',
           packageIssue: [
             {
               affectedCpeUri: 'foo.uri',