chore(deps): update dependency testcontainers.postgresql to v4 (#931) #7772

Job	Run time
Check Formatting	2m 9s
Run Admin UI Checks	1m 13s
Build Helm Chart	18s
Build consumer-api Image	2m 43s
Run Unit Tests	2m 35s
Build admin-ui Image	2m 58s
Validate Open Source Licenses	43s
Build admin-cli Image	1m 45s
Build database-migrator Image	2m 42s
Build event-handler-service Image	2m 43s
Build files-sanity-check Image	1m 26s
Build identity-deletion-jobs Image	2m 44s
Build sse-server Image	2m 34s
Run transport Tests (on ${{ matrix.database }})	1s
Run ${{ matrix.test-project.display-name }} Integration Tests (on ${{ matrix.database }})	1s
	26m 35s

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