add eccenca Explore v25.2.6

Author: rpietzsch

docs/release-notes/corporate-memory-25-2/index.md

@@ -34,7 +34,7 @@ The highlights of this release are:
 This release delivers the following component versions:
 
 -   eccenca DataIntegration v25.2.2
--   eccenca Explore v25.2.5
+-   eccenca Explore v25.2.6
 -   eccenca Corporate Memory Control (cmemc) v25.4.0
 
 We tested this release with the following dependency components:
@@ -94,10 +94,15 @@ We are excited to announce the release of DataIntegration v25.2.2, which introdu
 -   XML datasets now return empty values for empty tags when string values are expected
 -   Project variable updates now properly use the triggering user's credentials
 
-## eccenca Explore v25.2.5
+## eccenca Explore v25.2.6
 
 We are pleased to announce Explore v25.2.4, which brings significant enhancements to SHACL shape management, improved graph handling, and a modernized knowledge graph exploration experience.
 
+**v25.2.6 of Explore ships the following fix:**
+
+-   Removal of sub dependency redis
+-   Update Spring Boot to 3.5.7
+
 **v25.2.5 of Explore ships the following fix:**
 
 -   Anonymous classes are not considered when resolving the `rdfs:subClassOf` based class hierarchy