Update test slug (terraform-ci-slug app) to Heroku-22 / Ruby 3.2.2

Author: mars

.github/workflows/acceptance-tests.yml

@@ -62,7 +62,7 @@ jobs:
         HEROKU_EMAIL: terraform-provider-heroku+ci@salesforce.com
         HEROKU_TEST_USER: terraform-provider-heroku+ci-admin-test@salesforce.com
         HEROKU_NON_ADMIN_TEST_USER: terraform-provider-heroku+ci-user-test@salesforce.com
-        HEROKU_SLUG_ID: 8527dbf3-c0a0-4255-beab-aca0aad1dfc9
+        HEROKU_SLUG_ID: f2eba78f-25c9-476b-8998-2325241b980a
         HEROKU_USER_ID: aaaa7bc7-7de5-410f-a60c-3741d2c355d1
 #        GOFLAGS: "-mod=vendor"
         # TF_LOG: DEBUG