drop ember@3.24 from test-matrix

Author: gossi

.github/workflows/ci.yml

@@ -52,7 +52,6 @@ jobs:
       fail-fast: false
       matrix:
         try-scenario:
-          - ember-lts-3.24
           - ember-lts-3.28
           - ember-lts-4.4
           - ember-lts-4.8

test-app/config/ember-try.js

@@ -7,22 +7,6 @@ module.exports = async function () {
   return {
     usePnpm: true,
     scenarios: [
-      {
-        name: 'ember-lts-3.24',
-        npm: {
-          devDependencies: {
-            'ember-resolver': '^8.0.0',
-            'ember-source': '~3.24.3',
-            'ember-cli': '^4.0.0',
-            'ember-qunit': '^5.0.0',
-            '@ember/test-helpers': '^2.1.0',
-            'ember-cli-htmlbars': '^5.0.0',
-            '@embroider/core': null,
-            '@embroider/compat': null,
-            '@embroider/webpack': null,
-          },
-        },
-      },
       {
         name: 'ember-lts-3.28',
         npm: {