Upgrade to Jetty 9.4.34.v20201102

Closes gh-24046

Author: wilkinsona

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -850,7 +850,7 @@ bom {
 			]
 		}
 	}
-	library("Jetty", "9.4.33.v20201020") {
+	library("Jetty", "9.4.34.v20201102") {
 		group("org.eclipse.jetty") {
 			imports = [
 				"jetty-bom"