Add rvagg to Rust team

[rvagg]

No description provided.

[github-actions]

The following access changes will be introduced as a result of applying the plan:

Access Changes

User rvagg:
  - will have the permission to libipld change from pull to push
  - will have the permission to rust-ipld-core change from pull to push
  - will have the permission to rust-ipld-dagpb change from pull to push
  - will have the permission to serde_ipld_dagcbor change from pull to push
  - will have the permission to serde_ipld_dagjson change from pull to push

[github-actions]

Before merge, verify that all the following plans are correct. They will be applied as-is after the merge.

Terraform plans

ipld

Terraform used the selected providers to generate the following execution
plan. Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # github_team_membership.this["rust team:rvagg"] will be created
  + resource "github_team_membership" "this" {
      + etag     = (known after apply)
      + id       = (known after apply)
      + role     = "member"
      + team_id  = "2598323"
      + username = "rvagg"
    }

Plan: 1 to add, 0 to change, 0 to destroy.