Merge branch 'master' into release-candidate-21.0.0-RC2

Author: ePaul

nakadi-producer/pom.xml

@@ -86,7 +86,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>5.3.12</version>
+            <version>5.3.20</version>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>