changed action

.gitea/workflows/demo.yaml

@@ -4,9 +4,9 @@ on: [push]
 
 jobs:
   Explore-Gitea-Actions:
-    runs-on: ubuntu-latest
+    runs-on: linux_amd64
     steps:
-      - run: echo " The job was automatically triggered by a ${{ gitea.event_name }} event!"
+      - run: echo " The job was automatically triggered by a ${{ gitea.event_name }} event."
       - run: echo " This job is now running on a ${{ runner.os }} server hosted by Gitea!"
       - run: echo " The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
       - name: Check out repository code