fix: github actions docker build 파일 경로 문제 수정

.github/workflows/build.yml

@@ -44,6 +44,7 @@ jobs:
       - name: Docker build and push
         run: |
           docker login -u ${{ secrets.DOCKERHUB_USERNAME }} -p ${{ secrets.DOCKERHUB_PASSWORD }}
+          cd wabi
           docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKERHUB_REPOSITORY }}:latest .
           docker tag ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKERHUB_REPOSITORY }}:latest ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKERHUB_REPOSITORY }}:${GITHUB_SHA::7}
           docker push ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKERHUB_REPOSITORY }}:latest