chore(deps): update docker/build-push-action action to v6 (#903) #414

Job	Run time
Release please	30s
Get current version / Filter	8s
Check for changes / Filter	3s
Generate git short sha / Generate git short sha	3s
Build and test backend / build-and-test	1m 19s
Deploy slack notifier (test) / Build and deploy dp-be-test-slacknotifier-fa to test	1m 24s
Deploy schema npm package	0s
Deploy infra to test / Deploy to test	5m 4s
Build and publish docker images / publish-docker-images (./src/Digdir.Domain.Dialogporten.WebApi/Dockerfile, webapi)	1m 21s
Build and publish docker images / publish-docker-images (./src/Digdir.Domain.Dialogporten.GraphQL/Dockerfile, graphql)	1m 45s
Build and publish docker images / publish-docker-images (./src/Digdir.Domain.Dialogporten.Service/Dockerfile, service)	1m 27s
Build and publish docker images / publish-docker-images (./src/Digdir.Domain.Dialogporten.ChangeDataCapture/Dockerfile, cdc)	57s
Build and publish docker images / publish-docker-images (./src/Digdir.Domain.Dialogporten.Infrastructure/MigrationBundle.dockerfile...	1m 39s
Deploy apps to test / Deploy migration job to ${{ inputs.environment }}	0s
Deploy apps to test / Deploy web-api-eu to test	2m 3s
Deploy apps to test / Deploy web-api-so to test	1m 54s
Deploy apps to test / Deploy graphql to test	1m 50s
Run K6 functional end-to-end tests / k6-test	1m 2s
	22m 29s

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