Update org.springframework.cloud:spring-cloud-context to version 4.0.0 (#2974)

Author: asf-rm

log4j-spring-cloud-config-client/pom.xml

@@ -34,7 +34,7 @@
 
   <properties>
     <!-- Dependency versions -->
-    <spring-cloud.version>3.1.8</spring-cloud.version>
+    <spring-cloud.version>4.0.0</spring-cloud.version>
 
     <!--
       ~ OSGi and JPMS options

src/changelog/.2.x.x/update_org_springframework_cloud_spring_cloud_context.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<entry xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns="https://logging.apache.org/xml/ns"
+       xsi:schemaLocation="https://logging.apache.org/xml/ns https://logging.apache.org/xml/ns/log4j-changelog-0.xsd"
+       type="updated">
+  <issue id="2974" link="https://github.com/apache/logging-log4j2/pull/2974"/>
+  <description format="asciidoc">Update `org.springframework.cloud:spring-cloud-context` to version `4.0.0`</description>
+</entry>