ci: update runners name

[Fraccaman]

Describe your changes

Checklist before merging

• If this PR has some consensus breaking changes, I added the corresponding breaking:: labels
  • This will require 2 reviewers to approve the changes
• If this PR requires changes to the docs or specs, a corresponding PR is opened in the namada-docs repo
  • Relevant PR if applies:
• If this PR affects services such as namada-indexer or namada-masp-indexer, a corresponding PR is opened in that repo
  • Relevant PR if applies:

[mergify]

🧪 CI Insights

Here's what we observed from your CI run for ed6ec66.

❌ Job Failures

Pipeline	Job	Health on main	Retries	🔍 CI Insights	📄 Logs
Lint 🧹 Build 🛠️ Test 🚦	test-e2e (0)		0	View	View