feat: update mpox banner to outage banner for theigen transfer (#1714) #5760

Job	Run time
py-test	3m 35s
py-lint	1m 25s
tf-lint	21s
gisaid-test	8m 45s
ts-lint	1m 32s
ts-test	1m 13s
ts-test-build	2m 43s
wdl-lint	15s
build-push-images (src/backend/Dockerfile.gisaid, ./src/backend/, genepi-gisaid)	1m 53s
build-push-images (src/backend/Dockerfile.nextstrain, ./src/backend/, genepi-nextstrain)	1m 33s
build-push-images (src/backend/Dockerfile.pangolin, ./src/backend/, genepi-pangolin)	45s
build-push-images (src/backend/Dockerfile.lineage_qc, ./src/backend/, genepi-lineage-qc)	42s
build-push-images (src/backend/Dockerfile, ./src/backend/, genepi-backend)	36s
build-push-images (src/frontend/Dockerfile, ./src/frontend/, genepi-frontend)	1m 1s
update-stage	11s
	26m 30s

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