IBX-9316: Fixed cpu count for Ibexa Cloud #2462

Job	Run time
Run code style check (8.0)	2m 43s
Unit tests & SQLite integration tests (7.4)	9m 35s
Solr integration tests (7.4)	13m 24s
Unit tests & SQLite integration tests (8.0)	9m 14s
Solr integration tests (8.0)	13m 35s
Solr integration tests (8.1)	12m 50s
Unit tests & SQLite integration tests (8.1)	8m 56s
PostgreSQL integration tests (7.4)	27m 28s
MySQL integration tests (7.4)	15m 6s
PostgreSQL integration tests (8.0)	28m 31s
PostgreSQL integration tests (8.1)	21m 44s
MySQL integration tests (8.0)	14m 56s
MySQL integration tests (8.1)	14m 41s
	3h 12m 43s

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