Fix git pull with explicit remote branch

Author: ddrayko

.github/workflows/deploy-beta.yml

@@ -17,4 +17,4 @@ jobs:
           port: ${{ secrets.SSH_PORT || 22 }}
           script: |
             cd ${{ secrets.BETA_PATH }}
-            git pull
+            git pull origin beta

.github/workflows/deploy-main.yml

@@ -17,4 +17,4 @@ jobs:
           port: ${{ secrets.SSH_PORT || 22 }}
           script: |
             cd ${{ secrets.MAIN_PATH }}
-            git pull
+            git pull origin main