Add dependencies field for FunctionEntryPoints

[Azeem Muzammil]

Description:

• For the moment services that have service-level client initializations that are not used(no action invocation on that client initializations) are considered as dependencies of the services. Similar is required for the Main function entry point as well. If a client is initialized within the main function (function scope) and no action invocations are there for that client initialization, that should be considered as dependencies of the main entry point.

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[Azeem Muzammil]

This is done and merged: #203