[DEV 3373] Add feederloadanalysis request support

[Esaotuelr]

Description

• Added FeederLoadAnalysisInput which holds the config for feeder-load-analysis studies.
• These then can be utilized in the run_feeder_load_analysis_report and async_run_feeder_load_analysis_report functions

Associated tasks

example

Test Steps

Pull down example repo, local install this branch in that environment and run the feeder-load-analysis example with valid auth configs and it should just work. A functional feeder for the staging area (if you choose to test it through that) is "BH11"

Checklist

If any of these are not applicable, strikethrough the line ~like this~. Do not delete it!. Let the reviewer decide if you should have done it.

Code

• I have performed a self review of my own code (including checking issues raised when creating the PR).
  - [ ] I have added/updated unit tests for these changes, and if not I have explained why they are not necessary.
• I have commented my code in any hard-to-understand or hacky areas.
• I have handled all new warnings generated by the compiler or IDE.
• I have rebased onto the target branch (usually main).

Documentation

• I have updated the changelog.
  - [ ] I have updated any documentation required for these changes.

Breaking Changes

• I have considered if this is a breaking change and will communicate it with other team members by posting it on the Slack breaking-changes channel.

Not breaking.

[ryanjcoleman]

Task linked: DEV-3373 Add eas-client-python function for calling feeder load analysis GQL API