Update Jest snapshots

ee/spec/frontend/security_dashboard/components/shared/empty_states/__snapshots__/dashboard_has_no_vulnerabilities_spec.js.snap

@@ -3,7 +3,7 @@
 exports[`dashboard has no vulnerabilities empty state matches snapshot 1`] = `
 "<section class=\\"row empty-state text-center\\">
   <div class=\\"col-12\\">
-    <div class=\\"svg-250 svg-content\\"><img src=\\"/placeholder.svg\\" alt=\\"\\" class=\\"gl-max-w-full\\"></div>
+    <div class=\\"svg-250 svg-content\\"><img src=\\"/placeholder.svg\\" alt=\\"\\" role=\\"img\\" class=\\"gl-max-w-full\\"></div>
   </div>
   <div class=\\"col-12\\">
     <div class=\\"text-content gl-mx-auto gl-my-0 gl-p-5\\">

ee/spec/frontend_integration/security_dashboard/__snapshots__/security_dashboard_init_integration_spec.js.snap

@@ -44,6 +44,7 @@ exports[`Security Dashboard error states has unavailable pages 1`] = `
         <img
           alt=""
           class="gl-max-w-full"
+          role="img"
           src="/test/empty_state.svg"
         />
       </div>

ee/spec/frontend_integration/security_dashboard/__snapshots__/vulnerability_report_init_integration_spec.js.snap

@@ -14,6 +14,7 @@ exports[`Vulnerability Report error states has unavailable pages 1`] = `
         <img
           alt=""
           class="gl-max-w-full"
+          role="img"
           src="/test/empty_state.svg"
         />
       </div>

spec/frontend/packages/list/components/__snapshots__/packages_list_app_spec.js.snap

@@ -21,6 +21,7 @@ exports[`packages_list_app renders 1`] = `
           <img
             alt=""
             class="gl-max-w-full"
+            role="img"
             src="helpSvg"
           />
         </div>

spec/frontend/serverless/components/__snapshots__/empty_state_spec.js.snap

@@ -3,7 +3,7 @@
 exports[`EmptyStateComponent should render content 1`] = `
 "<section class=\\"row empty-state text-center\\">
   <div class=\\"col-12\\">
-    <div class=\\"svg-250 svg-content\\"><img src=\\"/image.svg\\" alt=\\"\\" class=\\"gl-max-w-full\\"></div>
+    <div class=\\"svg-250 svg-content\\"><img src=\\"/image.svg\\" alt=\\"\\" role=\\"img\\" class=\\"gl-max-w-full\\"></div>
   </div>
   <div class=\\"col-12\\">
     <div class=\\"text-content gl-mx-auto gl-my-0 gl-p-5\\">