Bump citizensadvice/build-and-push-action from 1 to 2 (#80)

Bumps [citizensadvice/build-and-push-action](https://github.com/citizensadvice/build-and-push-action) from 1 to 2.
- [Release notes](https://github.com/citizensadvice/build-and-push-action/releases)
- [Commits](citizensadvice/build-and-push-action@v1...v2)

---
updated-dependencies:
- dependency-name: citizensadvice/build-and-push-action
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Build and push to ECR
-        uses: citizensadvice/build-and-push-action@v1
+        uses: citizensadvice/build-and-push-action@v2
         with:
           aws_access_key: ${{ secrets.PUBLIC_PUSH_ECR_AWS_KEY }}
           aws_secret_key: ${{ secrets.PUBLIC_PUSH_ECR_AWS_SECRET }}