Allow creation of annotated tags with the GraphQL Release API

What does this MR do and why?

Allow creation of annotated tags with the GraphQL Release API.

Related to #268267 (closed)

Screenshots or screen recordings

How to set up and validate locally

1. Navigate to GraphQL Explorer: http://localhost:3000/-/graphql-explorer

2. Run the following mutations

mutation {
  releaseCreate(
    input: {projectPath: "namespace/project_name", tagName: "v0.0.1", ref: "149d6065"}
  ) {
    release {
      name
      tagName
    }
  }
}

mutation {
  releaseCreate(
    input: {projectPath: "namespace/project_name", tagName: "v0.0.2", tagMessage: "Annotated tag message", ref: "b4f1d4af"}
  ) {
    release {
      name
      tagName
    }
  }
}

1. Verify that two releases were created: http://localhost:3000/namespace/project_name/-/releases

2. Verify that a lightweight tag was created for v0.0.1 and an annotated tag was created for v0.0.2: http://localhost:3000/namespace/project_name/-/tags

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.