change steps order

Author: 0marperez

.github/actions/merge-main/action.yml

@@ -7,19 +7,18 @@ inputs:
 runs:
   using: composite
   steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-        ssh-key: ${{ secrets.CI_USER_SSH_KEY }}
-        ssh-user: 'aws-sdk-kotlin-ci'
-
     - name: Set up Git
       shell: bash
       run: |
         git config user.name aws-sdk-kotlin-ci
         git config user.email "[email protected]"
 
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        ssh-key: ${{ secrets.CI_USER_SSH_KEY }}
+
     - name: Run Script
       shell: bash
       run: |