Code Quality: Replace deprecated constructor call and fix unchecked assignment warning #561

Job	Run time
Checkstyle	1m 1s
Checkstyle	1m 1s
Spotbugs	50s
Spotbugs	50s
Unit Tests	1m 4s
Unit Tests	1m 4s
End-to-End Testing	2m 35s
End-to-End Testing	3m 48s
Integration Tests	8m 56s
Integration Tests	8m 56s
Build & Publish Docker Images	0s
Build & Publish Docker Images (service, gp2gp, .)	1m 26s
Build & Publish Docker Images (wiremock, gp2gp-wiremock, .)	50s
Build & Publish Docker Images (mock-mhs-adaptor, gp2gp-mock-mhs, .)	58s
Build & Publish Docker Images (gpcc-mock, gp2gp-gpcc-mock, ./docker/gpcc-mock)	23s
Build & Publish Docker Images (gpc-api-mock, gp2gp-gpc-api-mock, ./docker/gpc-api-mock)	25s
Build & Publish Docker Images (sds-api-mock, gp2gp-sds-api-mock, ./docker/sds-api-mock)	19s
	34m 26s

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