reusable-e2e-tests-build.yml: use prod build of the api container #3768

Job	Run time
api-check-needed	5s
e2e-check-needed	5s
Lint: ClientPrint (ESLint)	16s
Lint: Frontend (ESLint)	33s
Tests: Frontend	2m 16s
Tests: PDF	22s
Lint: Print (ESLint)	23s
Tests: Print	47s
Tests: API	0s
Lint: API (php-cs-fixer)	0s
Lint: e2e (ESLint)	27s
Tests: End-to-end build / Tests: End-to-end (build job)	27s
Tests: End-to-end run / Tests: End-to-end (chrome)	3m 9s
Tests: End-to-end run / Tests: End-to-end (firefox)	3m 10s
Tests: End-to-end run / Tests: End-to-end (edge)	3m 8s
Finish coveralls report	0s
workflow-success	3s
Send out CI success event	1s
	15m 12s

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