fix: increment schema version for migration 6 #4

	name: Create and publish a Docker image in ghcr.io
	on:
	push:
	branches:
	- master
	- main
	tags:
	- v*
	env:
	REGISTRY: ghcr.io
	REPOSITORY: ${{ github.repository }}
	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	attestations: write
	id-token: write
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Install Nix
	uses: DeterminateSystems/nix-installer-action@v12
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Build fedimint-observer
	run: \|
	nix build -L .#fmo_server
	- name: Build fedimint-observer image
	run: \|
	nix build -L .#fmo_server_image
	echo "fedimint_observer_container_tag=$(docker load < result \| awk '{ print $3 }')" >> $GITHUB_ENV
	- name: Log in to the Container registry
	uses: docker/login-action@v3.2.0
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Tag and push fedimint-observer image to ghcr.io
	env:
	IMAGE_TAG: ${{ github.sha }}
	run: \|-
	nix_tag=${{ env.fedimint_observer_container_tag }} && hub_tag="$REGISTRY/$REPOSITORY:$IMAGE_TAG" && docker tag "$nix_tag" "$hub_tag" && docker push "$hub_tag"

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