Adding GraphQL mutations to trigger Allowlist Autopopulation processes

What does this MR do and why?

As part of https://gitlab.com/gitlab-org/gitlab/-/issues/47854+, this MR adds GraphQL mutations for the autopopulate and clearAutopopulation services that are used to generate and clear the allowlist entries. Designs are detailed here: #509883 (closed).

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Before	After

How to set up and validate locally

1. Create sample authorization log records in the rails console:

   project = Project.first
   project2 = Project.second
   project3 = Project.third
   
   Ci::JobToken::Authorization.create(accessed_project: project, origin_project: project2, last_authorized_at: 1.day.ago)
   Ci::JobToken::Authorization.create(accessed_project: project, origin_project: project3, last_authorized_at: 1.day.ago)

2. Ensure two records have been created:

   Ci::JobToken::Authorization.all

3. Ensure no ProjectScopeLinks exist for the given project:

   Ci::JobToken::ProjectScopeLink.where(source_project: project)

4. Run the autopopulate mutation in graphiql:

   mutation CiJobTokenScopeAutopopulateAllowlist($projectPath: ID!) {
     ciJobTokenScopeAutopopulateAllowlist(input: { projectPath:$projectPath }){
       status
       errors
     }
   }

   Note: Should be the path of whatever project is locally. For me it was toolbox/gitlab-smoke-tests

   {
     "projectPath": "toolbox/gitlab-smoke-tests"
   }

5. Ensure that 2 ProjectScopeLinks now exist for the given project:

   Ci::JobToken::ProjectScopeLink.where(source_project: project)

6. Run the autopopulation clear mutation in graphiql:

   mutation CiJobTokenScopeClearAllowlistAutopopulations($projectPath: ID!) {
     ciJobTokenScopeClearAllowlistAutopopulations(input: { projectPath:$projectPath }){
       status
       errors
     }
   }

   {
     "projectPath": "toolbox/gitlab-smoke-tests"
   }

7. Ensure no ProjectScopeLinks exist anymore for the given project:

   Ci::JobToken::ProjectScopeLink.where(source_project: project)