fix: set correct committer for gh action merge commit (#8774)

.github/workflows/merge-master-into-develop.yml

@@ -12,12 +12,12 @@ jobs:
         with:
           fetch-depth: 0
           token: ${{ secrets.DEVELOP_PUSH_TOKEN }}
-      - name: Checkout develop branch
-        run: git checkout develop
       - name: Set committer info
         run: |
           git config --local user.email "$(git log --format='%ae' HEAD^!)"
           git config --local user.name "$(git log --format='%an' HEAD^!)"
+      - name: Checkout develop branch
+        run: git checkout develop
       - name: Check for merge conflict
         id: check-conflict
         run: echo "::set-output name=merge_conflict::$(git merge-tree $(git merge-base HEAD master) master HEAD | egrep '<<')"