fix: use context instead of file for docker build

Author: D3strukt0r

.github/workflows/ci.yml

@@ -81,7 +81,7 @@ jobs:
       - uses: docker/build-push-action@v6
         id: build-and-push
         with:
-          file: src/Dockerfile
+          context: ./src
           platforms: linux/amd64,linux/arm64 # same as base image
           pull: true
           #push: ${{ github.event_name != 'pull_request' && vars.DOCKERHUB_USERNAME != '' && env.dockerhub_token != '' }}