potential fix for docker build warning #2999

Job	Run time
FE Asset Linting	16s
PHPMD	9s
FE asset formatting check	16s
Static Code Analysis	32s
Coding Guidelines Check	13s
Run frontend unit- and functional-tests	55s
Run frontend type check	28s
Build Development Docker Images	1m 43s
Build Docker Images	1m 44s
Run E2E-tests via Cypress (1)	4m 28s
Run E2E-tests via Cypress (2)	4m 54s
Run E2E-tests via Cypress (3)	3m 46s
Run E2E-tests via Cypress (4)	3m 39s
Run backend unit- and functional-tests	1m 18s
Publish	0s
Scan vulnerabilities	0s
Deploy and notify	0s
	24m 21s

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