Update CHANGELOG 20251205

Author: Thean Lim

CHANGELOG.md

@@ -5,6 +5,13 @@
 - [Amazon Linux 2 release notes](https://docs.aws.amazon.com/AL2/latest/relnotes/relnotes-al2.html)
 - [Amazon Linux AMI 2018.03 Release Notes](https://aws.amazon.com/amazon-linux-ami/2018.03-release-notes/)
 
+## 20251205
+- al2 ami version: 20251205
+- source al2 ami: amzn2-ami-minimal-hvm-2.0.20251121.0-x86_64-ebs
+- source al2 arm ami: amzn2-ami-minimal-hvm-2.0.20251121.0-arm64-ebs
+- source al2 kernel 5.10 ami: amzn2-ami-minimal-hvm-2.0.20251121.0-x86_64-ebs
+- source al2 kernel 5.10 arm ami: amzn2-ami-minimal-hvm-2.0.20251121.0-arm64-ebs
+
 ## 20251119
 - al2 ami version: 20251119
 - al2023 ami version: 20251119