Merge branch '1.5.x' into 2.0.x

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -74,7 +74,7 @@
 		<hsqldb.version>2.4.1</hsqldb.version>
 		<htmlunit.version>2.29</htmlunit.version>
 		<httpasyncclient.version>4.1.3</httpasyncclient.version>
-		<httpclient.version>4.5.5</httpclient.version>
+		<httpclient.version>4.5.6</httpclient.version>
 		<httpcore.version>4.4.10</httpcore.version>
 		<infinispan.version>9.1.7.Final</infinispan.version>
 		<influxdb-java.version>2.9</influxdb-java.version>