Bump org.springframework:spring-context in /org.apache.lenya.parent

Bumps [org.springframework:spring-context](https://github.com/spring-projects/spring-framework) from 2.5.5 to 5.2.22.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/commits/v5.2.22.RELEASE)

---
updated-dependencies:
- dependency-name: org.springframework:spring-context
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/org.apache.lenya.parent/pom.xml b/org.apache.lenya.parent/pom.xml
index 107c17e..6197cdf 100644
--- a/org.apache.lenya.parent/pom.xml
+++ b/org.apache.lenya.parent/pom.xml
@@ -900,6 +900,6 @@
   <properties>
     <cocoon.version>2.2.1-SNAPSHOT</cocoon.version>
     <avalon.version>4.3.1</avalon.version>
-    <spring.version>2.5.5</spring.version>
+    <spring.version>5.2.22.RELEASE</spring.version>
   </properties>
 </project>