Update changelog based on model updates

Author: aws-sdk-python-automation

.changes/next-release/api-change-glue-52286.json

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+{
+  "type": "api-change",
+  "category": "``glue``",
+  "description": "Update GetConnection(s) API to return KmsKeyArn & Add 63 missing connection types"
+}

.changes/next-release/api-change-lightsail-53543.json

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+{
+  "type": "api-change",
+  "category": "``lightsail``",
+  "description": "Attribute HTTP binding update for Get/Delete operations"
+}

.changes/next-release/api-change-networkfirewall-16440.json

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+{
+  "type": "api-change",
+  "category": "``network-firewall``",
+  "description": "Network Firewall now introduces Reject and Alert action support for stateful domain list rule groups, providing customers with more granular control over their network traffic."
+}