Updated readme

Author: hypfvieh

README.md

@@ -136,6 +136,11 @@ The library will remain open source and MIT licensed and can still be used, fork
      - the new implementation supports additional MatchRules as defined by DBus Specification (except eavesdrop)
      - Extended `EmbeddedDBusDaemon` to properly support MatchRules
    - Improved `InterfaceCodeGenerator` to properly create Tuple classes and create empty signal classes as well
+   - Dependency updates
+   - Plugin updates
+   - Increased minimum required Maven version from 3.6.3 to 3.9.3
+   - Update site descriptors
+   - Addressed a few PMD findings
 
 ##### Changes in 5.1.1 (2025-03-14):
    - Added new Helper class `VariantBuilder` to allow creating Variants which contain Maps or Collections without messing with the required DBus type arguments