[Integration][AWS] use the same event loop for all threads

[shalev007]

Since running on new event loops got us Semaphore is bound to a different event loop error

Description

What - fix Semaphore is bound to a different event loop
Why - all Semaphore were used in different event loops and once the thread ended the Semaphore could not run in a different event loop
How - use the same event loop across all threads

Type of change

Please leave one option from the following and delete the rest:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• New Integration (non-breaking change which adds a new integration)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Non-breaking change (fix of existing functionality that will not change current behavior)
• Documentation (added/updated documentation)

Core testing checklist

• Integration able to create all default resources from scratch
• Resync finishes successfully
• Resync able to create entities
• Resync able to update entities
• Resync able to detect and delete entities
• Scheduled resync able to abort existing resync and start a new one
• Tested with at least 2 integrations from scratch
• Tested with Kafka and Polling event listeners

[Tankilevitch]

holding

[shalev007]

Add changelog and bump version