[WIP] Fix increasing memory issue in Elsa server instance

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Memory keeps increasing</issue_title>
<issue_description>## Description
I referred to the tutorial to run an server instance.
Why is the memory continuously increasing? I haven't been running any workflow instances.

url:“https://docs.elsaworkflows.io/application-types/elsa-server”

a few munites later:
</issue_description>

<agent_instructions>Try and reproduce the memory consumption by running the Elsa.Server.Web reference app and identify any potential anomalies. </agent_instructions>

Comments on the Issue (you are @copilot in this section)

@sfmskywalker Which version of Elsa is this?

What happens when you let it run for one hour? Two hours? Does it increase memory indefinitely?</comment_new>

• Fixes Memory keeps increasing #7118

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This change is