Update jest snapshots

- custom stage from spec
- ide_integration spec

ee/spec/frontend/analytics/cycle_analytics/components/__snapshots__/custom_stage_form_spec.js.snap

 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`CustomStageForm Editing a custom stage isSavingCustomStage=true displays a loading icon 1`] = `
-"<button disabled=\\"disabled\\" type=\\"button\\" class=\\"js-save-stage btn btn-success\\"><span class=\\"gl-spinner-container\\"><span aria-label=\\"Loading\\" aria-hidden=\\"true\\" class=\\"align-text-bottom gl-spinner gl-spinner-orange gl-spinner-sm\\"></span></span>
+"<button disabled=\\"disabled\\" type=\\"button\\" class=\\"js-save-stage btn btn-success\\"><span class=\\"gl-spinner-container\\"><span aria-label=\\"Loading\\" class=\\"align-text-bottom gl-spinner gl-spinner-orange gl-spinner-sm\\"></span></span>
   Update stage
 </button>"
 `;
 
 exports[`CustomStageForm isSavingCustomStage=true displays a loading icon 1`] = `
-"<button disabled=\\"disabled\\" type=\\"button\\" class=\\"js-save-stage btn btn-success\\"><span class=\\"gl-spinner-container\\"><span aria-label=\\"Loading\\" aria-hidden=\\"true\\" class=\\"align-text-bottom gl-spinner gl-spinner-orange gl-spinner-sm\\"></span></span>
+"<button disabled=\\"disabled\\" type=\\"button\\" class=\\"js-save-stage btn btn-success\\"><span class=\\"gl-spinner-container\\"><span aria-label=\\"Loading\\" class=\\"align-text-bottom gl-spinner gl-spinner-orange gl-spinner-sm\\"></span></span>
   Add stage
 </button>"
 `;

spec/frontend_integration/ide/__snapshots__/ide_integration_spec.js.snap

@@ -112,7 +112,6 @@ exports[`WebIDE runs 1`] = `
                   class="gl-spinner-container"
                 >
                   <span
-                    aria-hidden="true"
                     aria-label="Loading"
                     class="align-text-bottom gl-spinner gl-spinner-orange gl-spinner-md"
                   />