Update ember-try matrix (#3202)

Author: zamoore

.changeset/fluffy-places-ask.md

@@ -0,0 +1,5 @@
+---
+"@hashicorp/design-system-components": major
+---
+
+Removed support for Ember 3.28. New minimum support target is Ember 4.12.

.github/workflows/ci-components.yml

@@ -7,7 +7,7 @@ on:
   pull_request: {}
 
 env:
-  NODE_VERSION: '22.x'
+  NODE_VERSION: "22.x"
 
 concurrency:
   group: ci-components-${{ github.head_ref || github.ref }}
@@ -28,7 +28,7 @@ jobs:
         run: ./.github/scripts/filter_changed_files.sh "packages/components" "packages/flight-icons/catalog.json" "showcase" ".github/workflows/ci-components.yml" "packages/tokens"
 
   test:
-    name: 'Tests'
+    name: "Tests"
     runs-on: ubuntu-latest
     needs: [conditional-skip]
     if: needs.conditional-skip.outputs.trigger-ci == 'true'
@@ -63,13 +63,12 @@ jobs:
   try-scenarios:
     name: ${{ matrix.try-scenario }}
     runs-on: ubuntu-latest
-    needs: 'test'
+    needs: "test"
 
     strategy:
       fail-fast: false
       matrix:
         try-scenario:
-          - ember-lts-3.28
           - ember-lts-4.12
           # - ember-release
           - ember-beta

showcase/config/ember-try.js

@@ -13,20 +13,6 @@ module.exports = async function () {
     command: 'ember test --filter="integration" --reporter xunit',
     packageManager: 'pnpm',
     scenarios: [
-      {
-        name: 'ember-lts-3.28',
-        allowedToFail: true,
-        npm: {
-          devDependencies: {
-            '@ember/test-helpers': '^2.0.0',
-            'ember-a11y-testing': '^5.2.1',
-            'ember-cli': '~3.28.0',
-            'ember-qunit': '^6.0.0',
-            'ember-resolver': '^8.1.0',
-            'ember-source': '~3.28.11',
-          },
-        },
-      },
       {
         name: 'ember-lts-4.12',
         npm: {
@@ -59,24 +45,6 @@ module.exports = async function () {
           },
         },
       },
-      {
-        name: 'ember-classic',
-        env: {
-          EMBER_OPTIONAL_FEATURES: JSON.stringify({
-            'application-template-wrapper': true,
-            'default-async-observers': false,
-            'template-only-glimmer-components': false,
-          }),
-        },
-        npm: {
-          devDependencies: {
-            'ember-source': '~3.28.0',
-          },
-          ember: {
-            edition: 'classic',
-          },
-        },
-      },
       embroiderSafe(),
       embroiderOptimized(),
     ],