Merge pull request '[CHORE] Gitea CI 워크플로우 runs-on 라벨 수정' (#5) from feature/ci-runner-update into main

Reviewed-on: http://178.104.200.7/kjh2064/QuantEngineByItz/pulls/5

.gitea/workflows/ci.yml

@@ -20,7 +20,7 @@ on:
 
 jobs:
   validate-core:
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
 
     steps:
     - name: Checkout Code
@@ -157,7 +157,7 @@ jobs:
       run: python3 tools/validate_db_first_pipeline_v1.py
 
   validate-ui-and-storage:
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     needs: validate-core
     if: github.event_name != 'push'