[CI] Updates GitHub Actions

Author: picandocodigo

.github/workflows/main.yml renamed to .github/workflows/8.13.yml

@@ -2,12 +2,12 @@ name: main
 on:
   push:
     branches:
-      - main
+      - 8.13
   pull_request:
     branches:
-      - main
+      - 8.13
 jobs:
-  test-main:
+  test-8.13:
     env:
       TEST_ES_SERVER: http://localhost:9250
       PORT: 9250