Update python runtime to supported version

[DavidS-ovm]

Support for python3.9 runs out on October 30, 2025. This change ensures that we remain in support and this example continues working after February 3, 2026.

See https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html#runtime-support-policy

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🔴 Change Signals

Routine 🔴 ▇▅▃▂▁ First ever modification of attribute runtime

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🔥 Risks

Potential Compatibility Issues with Python Runtime Update in AWS Lambda Function ❗Medium Open Risk ↗
Updating the AWS Lambda function runtime from Python 3.9 to Python 3.13 may introduce compatibility issues with existing code dependencies or libraries. This could lead to runtime errors or unexpected behavior if the code is not fully compatible with Python 3.13. The IAM role (arn:aws:iam::540044833068:role/image-processor-lambda-role-terraform-example) may also require updates to permissions if new dependencies or changes in behavior are introduced. Without testing in a development environment, there is a risk of deploying untested changes to production, potentially causing downtime or errors. It is crucial to review the Lambda function's code and dependencies for compatibility with Python 3.13 and ensure that the IAM role has the necessary permissions for any new dependencies or changes in behavior. Testing in a development environment is recommended to identify any issues before deploying to production.

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🟣 Expected Changes

Note

No expected changes found.

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🟠 Unmapped Changes

~ lambda-function › module.scenarios[0].module.message_size_breach[0].aws_lambda_function.image_processor

--- current
+++ proposed
@@ -26,5 +26,5 @@
   reserved_concurrent_executions: -1
   role: arn:aws:iam::540044833068:role/image-processor-lambda-role-terraform-example
-  runtime: python3.9
+  runtime: python3.13
   s3_bucket: null
   s3_key: null

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