feat!: Add `apiKey` support to API requests #507

Job	Run time
prepare-test-reports (21)	12m 7s
prepare-test-reports (25)	8m 48s
prepare-test-reports (17)	9m 33s
build-docs-pr	2m 1s
jvm-build-test-docling-serve-api-java17	2m 31s
jvm-build-test-docling-serve-api-java21	2m 37s
jvm-build-test-docling-serve-client-java17	2m 46s
jvm-build-test-docling-testcontainers-java17	2m 44s
jvm-build-test-docling-serve-client-java25	2m 44s
jvm-build-test-docling-serve-client-java21	2m 41s
jvm-build-test-docling-version-tests-java17	2m 45s
jvm-build-test-docling-version-tests-java25	2m 45s
jvm-build-test-docling-testcontainers-java21	2m 44s
jvm-build-test-docling-version-tests-java21	2m 24s
jvm-build-test-docling-testcontainers-java25	2m 43s
jvm-build-test-docling-serve-api-java25	2m 44s
save-pr-info	4s
	1h 4m 41s

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