[Snyk] Fix for 4 vulnerabilities #15

Job	Run time
Build Kotlin server (samples/server/petstore/kotlin-springboot)	1m 20s
Build Kotlin server (samples/server/petstore/kotlin-springboot-multipart-request-model)	1m 18s
Build Kotlin server (samples/server/petstore/kotlin-springboot-bigdecimal-default)	1m 24s
Build Kotlin server (samples/server/petstore/kotlin-springboot-delegate)	1m 21s
Build Kotlin server (samples/server/petstore/kotlin-springboot-modelMutable)	1m 35s
Build Kotlin server (samples/server/petstore/kotlin-springboot-reactive)	1m 26s
Build Kotlin server (samples/server/petstore/kotlin-springboot-source-swagger1)	1m 20s
Build Kotlin server (samples/server/petstore/kotlin-springboot-source-swagger2)	1m 25s
Build Kotlin server (samples/server/petstore/kotlin-springboot-springfox)	1m 34s
Build Kotlin server (samples/server/petstore/kotlin-server/ktor)	1m 20s
Build Kotlin server (samples/server/petstore/kotlin-server/jaxrs-spec)	55s
Build Kotlin server (samples/server/petstore/kotlin-server/jaxrs-spec-mutiny)	51s
Build Kotlin server (samples/server/petstore/kotlin-server-modelMutable)	1m 29s
Build Kotlin server (samples/server/petstore/kotlin-server/javalin)	1m 24s
Build Kotlin server (samples/server/others/kotlin-server/jaxrs-spec)	52s
Build Kotlin server (samples/server/others/kotlin-server/jaxrs-spec-array-response)	59s
Build Kotlin server (samples/server/petstore/kotlin-spring-cloud)	1m 28s
	22m 1s

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