CCM-15241: Terraform changes to configuration

[nhsd-angel-pastor]

Description

To speed up component tests in DEV environments, extracted the lambda timeout and SQS visibility timeout (see https://github.com/NHSDigital/nhs-notify-internal/pull/611 for the default values). The lambdas I excluded are:

• MESH Poll: In Comms-mgr we set up the lambda with the timeout of 15 min (runtime of 13), here is set to 5 min (runtime of 4) with a rate of 5 minutes.
• Report generation: As it runs queries in Athena this can take longer. In addition it has the variables athena_query_max_polling_attempts and athena_query_polling_time_seconds that depends on the timeout.

See comment for more details

Context

Type of changes

• Refactoring (non-breaking change)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would change existing functionality)
• Bug fix (non-breaking change which fixes an issue)

Checklist

• I am familiar with the contributing guidelines
• I have followed the code style of the project
• I have added tests to cover my changes
• I have updated the documentation accordingly
• This PR is a result of pair or mob programming

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