Update spring cloud

Author: renovate[bot]

pom.xml

@@ -158,8 +158,8 @@
         <commons-lang.version>3.11</commons-lang.version>
         <spock.version>1.3-groovy-2.5</spock.version>
         <spring-boot.version>2.1.9.RELEASE</spring-boot.version>
-        <spring-cloud-dependencies.version>Greenwich.RELEASE</spring-cloud-dependencies.version>
-        <spring-cloud-starter-hystrix.version>1.4.6.RELEASE</spring-cloud-starter-hystrix.version>
+        <spring-cloud-dependencies.version>2021.0.4</spring-cloud-dependencies.version>
+        <spring-cloud-starter-hystrix.version>1.4.7.RELEASE</spring-cloud-starter-hystrix.version>
         <swagger-annotations.version>1.6.2</swagger-annotations.version>
         <snakeyaml.version>1.27</snakeyaml.version>
         <!-- Version 3.1.8 throws an NPE - UPGRADE WITH CARE -->