[spring] Add an option "additionalNotNullAnnotations" to include additional NotNull annotations #1110

Job	Run time
Build with JDK17 (samples/client/petstore/java-helidon-client/v3/mp/)	47s
Build with JDK17 (samples/server/petstore/java-camel/)	1m 14s
Build with JDK17 (samples/client/petstore/spring-http-interface-reactive)	34s
Build with JDK17 (samples/client/petstore/java/microprofile-rest-client-outer-enum)	49s
Build with JDK17 (samples/server/petstore/java-helidon-server/v3/mp/)	55s
Build with JDK17 (samples/client/petstore/java-helidon-client/v3/se)	55s
Build with JDK17 (samples/client/petstore/spring-http-interface)	40s
Build with JDK17 (samples/openapi3/client/petstore/spring-cloud-3)	50s
Build with JDK17 (samples/server/petstore/springboot-x-implements-skip)	1m 3s
Build with JDK17 (samples/openapi3/server/petstore/springboot-3)	46s
Build with JDK17 (samples/client/petstore/spring-http-interface-reactive-noResponseEntity)	37s
Build with JDK17 (samples/client/petstore/java/webclient-jakarta)	42s
Build with JDK17 (samples/client/petstore/spring-http-interface-noResponseEntity)	40s
Build with JDK17 (samples/server/petstore/java-helidon-server/v3/se)	49s
Build with JDK17 (samples/openapi3/server/petstore/springboot-3-include-http-request-context)	45s
	12m 6s

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