Validate notification template

[tevoinea]

Summary of the Pull Request

What is this about?

Adds a new endpoint /ValidateScriban which can be used to test scriban templates.

PR Checklist

• Applies to work item: Support Scriban template verification #2501
• Tests added/passed
• Requires documentation to be updated

Info on Pull Request

What does this include?

• A new endpoint /ValidateScriban. Which will attempt to render a template using scriban, return the rendered template and the rendering context used.
• New model: TemplateRenderContext. This simply gives a name to the anonymous type we were already using before for rendering templates.
• New request/response objects. Used for receiving and returning rendering data.
• Allow disabling jinja migration in the render function. The ValidateScriban endpoint should not be attempting to support jinja, therefore we need a way to disable the functionality. This will be modifiable by feature flag as well once Add support for feature flags #2620 merges.

Validation Steps Performed

How does someone test & validate?

1. Start azure functions
2. Do a post request with the following body:

{
  "template": "{{ report.crash_site }} - {{ report.executable }}",
}

3. Validate it was rendered correctly.
4. Do a post request with the following body:

{
  "template": "{{ report.NOTAREALPROPERTY }} - {{ report.executable }}",
}

5. Validate an error was thrown.
6. Do a post request with the following body:

{
  "template": "{{ report.crash_site }} - {{ report.executable }}",
  "context": {
    "report": {
      "crash_site": "ABC - 123  - THIS IS AN AWESOME CRASH SITE"
    }
  }
}

7. Validate that the new crash site string was used.

In all of the above cases, validate that the returned TemplateRenderContext was correct for the input as well.

[codecov-commenter]

Codecov Report

Merging #2655 (95eefc5) into main (b356c85) will increase coverage by 2.38%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2655      +/-   ##
==========================================
+ Coverage   29.27%   31.66%   +2.38%     
==========================================
  Files         289      168     -121     
  Lines       35774    23247   -12527     
==========================================
- Hits        10474     7361    -3113     
+ Misses      25300    15886    -9414     

Impacted Files	Coverage Δ
src/ApiService/ApiService/OneFuzzTypes/Model.cs
src/ApiService/ApiService/OneFuzzTypes/Requests.cs
...rc/ApiService/ApiService/OneFuzzTypes/Responses.cs
src/ApiService/ApiService/ServiceConfiguration.cs
...Service/ApiService/onefuzzlib/notifications/Ado.cs
...piService/onefuzzlib/notifications/GithubIssues.cs
...vice/onefuzzlib/notifications/NotificationsBase.cs
src/ApiService/ApiService/onefuzzlib/Containers.cs
.../ApiService/ApiService/onefuzzlib/RequestAccess.cs
...ce/ApiService/TestHooks/DiskOperationsTestHooks.cs
... and 111 more

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