To locate an existing GitHub Action provided by a GitHub-approved vendor, you can use the following methods:
* Verification Badge:
* Option Cis correct because actions provided by GitHub-approved vendors will typically have a verification badge. This badge indicates that the action is from a trusted source, giving users confidence in its security and reliability.
* Search the GitHub Marketplace:
* Option Fis correct because GitHub Marketplace is the official location to find and install actions, including those provided by third-party vendors. You can search for actions by the vendor's name to find the specific one you need.
* Incorrect Options:
* Option Ais not necessary to locate an existing action; creating a workflow file is for implementing the action, not locating it.
* Option Bis incorrect because searching the vendor's website for agithub.yamlindex is not a standard practice for finding actions.
* Option Dis incorrect because installing a GitHub App is unrelated to finding an existing action.
* Option Eis incorrect because adding a vendor as an allowed Actions Source is a configuration step for using the action, not for locating it.
References:
* GitHub Marketplace: Verified Actions