Update GitHub Token Minter Action from mint-token to minty

See https://github.com/abcxyz/team-link/pull/131 for example

Find the GitHub Actions workflow files in the repository, likely in .github/workflows/. Look for uses of the 'mint-token' action and update them to 'minty' as shown in the linked pull request example. Verify the change by checking the action's documentation or repository to ensure compatibility. Running the workflow in a test environment can confirm the update works.

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