Removed a new line

Author: moalhaddar

.github/workflows/docker-image.yml

@@ -24,7 +24,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: Build the Docker image and push to the docker registery
       run: |
-        docker build . \ 
+        docker build . \
             --tag moalhaddar/docx-to-pdf:latest \
             --tag moalhaddar/docx-to-pdf:2.1.0-${{github.run_attempt}}