Model registry: Add Artifacts tab to Version card

What does this MR do and why?

This MR adds a new tab called Artifacts and moves the artifacts from the Version card to the new tab.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

1. Open GDK: http://127.0.0.1:3000/flightjs/Flight/-/ml/models
2. Create model if one doesn't exist, give it a model name and a model version click Create
3. Click on the just created version
4. Verify that the version card has a tab called "artifacts" in accordance with the screenshot. Numbered steps to set up and validate the change are strongly suggested.

Related to #498604 (closed)

app/assets/javascripts/ml/model_registry/apps/show_ml_model_version.vue

 <script>
 import VueRouter from 'vue-router';
-import { GlTab, GlTabs, GlButton, GlSprintf, GlIcon, GlLink } from '@gitlab/ui';
+import { GlTab, GlTabs, GlBadge, GlButton, GlSprintf, GlIcon, GlLink } from '@gitlab/ui';
 import TitleArea from '~/vue_shared/components/registry/title_area.vue';
 import * as Sentry from '~/sentry/sentry_browser_wrapper';
 import { createAlert, VARIANT_DANGER } from '~/alert';
@@ -16,7 +16,8 @@ import ModelVersionDetail from '../components/model_version_detail.vue';
 import ModelVersionPerformance from '../components/model_version_performance.vue';
 import LoadOrErrorOrShow from '../components/load_or_error_or_show.vue';
 import ModelVersionActionsDropdown from '../components/model_version_actions_dropdown.vue';
-import { ROUTE_DETAILS, ROUTE_PERFORMANCE } from '../constants';
+import ModelVersionArtifacts from '../components/model_version_artifacts.vue';
+import { ROUTE_DETAILS, ROUTE_PERFORMANCE, ROUTE_ARTIFACTS } from '../constants';
 
 const routes = [
   {
@@ -24,6 +25,11 @@ const routes = [
     name: ROUTE_DETAILS,
     component: ModelVersionDetail,
   },
+  {
+    path: '/artifacts',
+    name: ROUTE_ARTIFACTS,
+    component: ModelVersionArtifacts,
+  },
   {
     path: '/performance',
     name: ROUTE_PERFORMANCE,
@@ -41,6 +47,7 @@ export default {
     TitleArea,
     GlTabs,
     GlTab,
+    GlBadge,
     GlIcon,
     GlLink,
     GlSprintf,
@@ -166,6 +173,9 @@ export default {
     tabIndex() {
       return routes.findIndex(({ name }) => name === this.$route.name);
     },
+    artifactsCount() {
+      return this.modelVersion.artifactsCount;
+    },
   },
   methods: {
     handleError(error) {
@@ -218,6 +228,7 @@ export default {
     editModelVersionButtonLabel: s__('MlModelRegistry|Edit model version'),
   },
   ROUTE_DETAILS,
+  ROUTE_ARTIFACTS,
   ROUTE_PERFORMANCE,
 };
 </script>
@@ -270,6 +281,12 @@ export default {
           :title="s__('MlModelRegistry|Version card')"
           @click="goTo($options.ROUTE_DETAILS)"
         />
+        <gl-tab @click="goTo($options.ROUTE_ARTIFACTS)">
+          <template #title>
+            {{ s__('MlModelRegistry|Artifacts') }}
+            <gl-badge class="gl-tab-counter-badge">{{ artifactsCount }}</gl-badge>
+          </template>
+        </gl-tab>
         <gl-tab
           :title="s__('MlModelRegistry|Performance')"
           @click="goTo($options.ROUTE_PERFORMANCE)"