chore: modify workflow file for testing

Signed-off-by: Lídia Tarcza <100163235+diatrcz@users.noreply.github.com>

Author: diatrcz

.github/workflows/github-pages.yml

@@ -4,8 +4,6 @@ name: Deploy Jekyll with GitHub Pages dependencies preinstalled
 on:
   # Runs on pushes targeting the default branch
   push:
-    branches: ["main"]
-  pull_request:
     branches: ["lt/github-pages"]
 
   # Allows you to run this workflow manually from the Actions tab