test ember 5.8 and 5.12

Author: mansona

.github/workflows/build.yml

@@ -90,9 +90,11 @@ jobs:
           - ember-lts-4.8
           - ember-lts-4.12
           - ember-lts-5.4
-          - ember-release
-          - ember-beta
-          - ember-canary
+          - ember-lts-5.8
+          - ember-lts-5.12
+          # - ember-release
+          # - ember-beta
+          # - ember-canary
           - ember-default-no-prototype-extensions
 
     steps:

config/ember-try.js

@@ -83,6 +83,22 @@ module.exports = async function () {
           },
         },
       },
+      {
+        name: 'ember-lts-5.8',
+        npm: {
+          devDependencies: {
+            'ember-source': '~5.8.0',
+          },
+        },
+      },
+      {
+        name: 'ember-lts-5.12',
+        npm: {
+          devDependencies: {
+            'ember-source': '~5.12.0',
+          },
+        },
+      },
       {
         name: 'ember-release',
         npm: {