[#4874] Add missing script to the Dockerfile #14791

Job	Run time
End-to-end tests, chromium	13m 40s
End-to-end tests, chromium	13m 40s
Run the Django test suite	8m 11s
Run the Django test suite	8m 11s
End-to-end tests, firefox	16m 1s
End-to-end tests, firefox	16m 1s
End-to-end tests, webkit	11m 43s
End-to-end tests, webkit	11m 43s
Set up docker build 'dynamic' env variables	1s
Set up docker build 'dynamic' env variables	1s
Build and check documentation	3m 25s
Build and check documentation	3m 30s
Run the Django test suite in reverse	5m 51s
Run the Django test suite in reverse	5m 51s
docker_build (production) / Build image	2m 47s
docker_build (production) / Build image	2m 47s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 49s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 49s
Scan docker image	2m 4s
Scan docker image	2m 4s
Simulate upgrading instances (2.7.4)	1m 31s
Simulate upgrading instances (2.7.4)	1m 31s
Simulate upgrading instances (2.7.8)	1m 32s
Simulate upgrading instances (2.7.8)	1m 32s
Check for unexepected OAS changes	3s
Check for unexepected OAS changes	3s
Generate Postman collection from OAS	10s
Generate Postman collection from OAS	10s
Generate SDKs from OAS	40s
Generate SDKs from OAS	40s
Validate OAS	18s
Validate OAS	18s
Push Docker image	0s
Push Docker image	0s
update-docker-readme	0s
update-docker-readme	0s
	2h 21m 37s

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