chore: Update changelog for v3.0.0

Signed-off-by: Niklas Eicker <niklas.eicker@tngtech.com>

Author: NiklasEi

CHANGELOG.md

@@ -3,6 +3,13 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## v3.0.0 (2025-11-12)
+
+- Feat: Add support for mongodb 7
+- Feat: Configurable retries for schedule pings ([#1005](https://github.com/TNG/momo-scheduler/pull/1005); thank you [@StafanTNG](https://github.com/StefanTNG))
+- Breaking: Remove support for mongodb 4
+- Breaking: Remove support node 18
+
 ## v2.5.0 (2025-06-20)
 
 - Feat: Add option to define jobs with `interval: 'never'` that are never started to run periodically but can be triggered to run once.