Update Jest snapshots after adding `inputClass` prop

`inputClass` prop added to `GlFormInputGroup`

spec/frontend/content_editor/components/__snapshots__/toolbar_link_button_spec.js.snap

@@ -19,7 +19,7 @@ exports[`content_editor/components/toolbar_link_button renders dropdown componen
             <div placeholder=\\"Link URL\\">
               <div role=\\"group\\" class=\\"input-group\\">
                 <!---->
-                <!----> <input type=\\"text\\" placeholder=\\"Link URL\\" class=\\"gl-form-input form-control\\">
+                <!----> <input type=\\"text\\" placeholder=\\"Link URL\\" class=\\"form-control gl-form-input\\">
                 <div class=\\"input-group-append\\"><button type=\\"button\\" class=\\"btn btn-confirm btn-md gl-button\\">
                     <!---->
                     <!----> <span class=\\"gl-button-text\\">Apply</span></button></div>

spec/frontend/incidents_settings/components/__snapshots__/pagerduty_form_spec.js.snap

@@ -32,6 +32,7 @@ exports[`Alert integration settings form should match the default snapshot 1`] =
       <gl-form-input-group-stub
         data-testid="webhook-url"
         id="url"
+        inputclass=""
         predefinedoptions="[object Object]"
         readonly=""
         value="pagerduty.webhook.com"

spec/frontend/packages_and_registries/container_registry/explorer/components/list_page/__snapshots__/project_empty_state_spec.js.snap

@@ -36,6 +36,7 @@ exports[`Registry Project Empty state to match the default snapshot 1`] = `
    
   <gl-form-input-group-stub
     class="gl-mb-4"
+    inputclass=""
     predefinedoptions="[object Object]"
     value=""
   >
@@ -57,6 +58,7 @@ exports[`Registry Project Empty state to match the default snapshot 1`] = `
    
   <gl-form-input-group-stub
     class="gl-mb-4"
+    inputclass=""
     predefinedoptions="[object Object]"
     value=""
   >
@@ -69,6 +71,7 @@ exports[`Registry Project Empty state to match the default snapshot 1`] = `
   </gl-form-input-group-stub>
    
   <gl-form-input-group-stub
+    inputclass=""
     predefinedoptions="[object Object]"
     value=""
   >