Add guillaumemichel to kubo maintainers

[lidel]

Summary

Adding @guillaumemichel to @ipfs/kubo-maintainers

Why do you need this?

Gui will be spending more time contributing to IPFS and Go Triage

What else do we need to know?

DRI: myself

Reviewer's Checklist

• It is clear where the request is coming from (if unsure, ask)
• All the automated checks passed
• The YAML changes reflect the summary of the request
• The Terraform plan posted as a comment reflects the summary of the request

[github-actions]

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

Access Changes

User guillaumemichel:
  - will have the permission to boxo change from maintain to admin
  - will have the permission to go-test change from maintain to admin
  - will have the permission to ipfs-check change from maintain to admin
  - will have the permission to kubo change from maintain to admin
  - will have the permission to rainbow change from maintain to admin
  - will have the permission to someguy change from maintain to admin

[github-actions]

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

Terraform plans

ipfs

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["kubo maintainers:guillaumemichel"] will be created
  + resource "github_team_membership" "this" {
      + etag     = (known after apply)
      + id       = (known after apply)
      + role     = "member"
      + team_id  = "6744049"
      + username = "guillaumemichel"
    }

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