properly specify docker build context

.github/workflows/docker-update.yml

@@ -45,7 +45,7 @@ jobs:
       - name: Build and Push to GitHub Packages
         uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
         with:
-          context: .docker
+          context: ./.docker
           file: resume.dockerfile
           push: true
           tags: ${{ steps.meta.outputs.tags }}