Edit changelog and add 2.7.2 release notes.

Author: jxblum

spring-session-data-geode/src/main/resources/changelog.txt

@@ -4,6 +4,23 @@ https://github.com/spring-projects/spring-session-data-geode
 ============================================================
 
 
+Changes in version 2.7.2 (2023-11-20)
+-------------------------------------
+Aligns Spring Session for Apache Geode (SSDG) with Spring Session (core) 2.7.4.
+
+* Upgrades to Spring Framework 5.3.31.
+* Upgrades to Spring Boot 2.7.17.
+* Upgrades to Spring Data BOM 2021.2.18 (Raj-SR18).
+* Upgrades to Spring Data Commons 2.7.18.
+* Upgrades to Spring Data for Apache Geode 2.7.18.
+* Upgrades to Spring Security 5.7.11.
+* Upgrades to Spring Session BOM 2021.2.3.
+* Upgrades to Spring Test for Apache Geode 0.3.7-RAJ.
+* Upgrades to AssertJ 3.24.2.
+* Upgrades to Gradle 6.9.4.
+* Sets Apache Log4j to version 2.17.2 to align with Spring Boot 2.7.x and Apache Geode 1.14.x.
+
+
 Changes in version 2.6.3 (2022-12-05)
 -------------------------------------
 Aligns Spring Session for Apache Geode (SSDG) with Spring Session (core) 2.6.3.