Merge pull request #957 from gooddata/dependabot/maven/spring.version-5.2.9.RELEASE

Bump spring.version from 5.2.8.RELEASE to 5.2.9.RELEASE

Reviewed-by: Jiri Mikulasek <jiri.mikulasek@gooddata.com>
             https://github.com/jimirocks

Author: gdgate

pom.xml

@@ -51,7 +51,7 @@
         <httpcore.version>4.4.13</httpcore.version>
         <jackson.version>2.11.2</jackson.version>
         <slf4j.version>1.7.30</slf4j.version>
-        <spring.version>5.2.8.RELEASE</spring.version>
+        <spring.version>5.2.9.RELEASE</spring.version>
         <jadler.version>1.3.0</jadler.version>
         <json-unit.version>2.19.0</json-unit.version>
         <surefire.version>2.22.2</surefire.version>