Add changelog entries from botocore

Author: aws-sdk-python-automation

.changes/next-release/api-change-bedrockruntime-92081.json

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+{
+  "type": "api-change",
+  "category": "``bedrock-runtime``",
+  "description": "[``botocore``] Fixed stop sequence limit for converse API."
+}

.changes/next-release/api-change-ec2-21437.json

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+{
+  "type": "api-change",
+  "category": "``ec2``",
+  "description": "[``botocore``] Release shows new route types such as filtered and advertisement."
+}

.changes/next-release/api-change-xray-44811.json

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+{
+  "type": "api-change",
+  "category": "``xray``",
+  "description": "[``botocore``] AWS X-Ray Features: Support Sampling Rate Boost On Anomaly"
+}