You can configure self-hosted runners that Dependabot uses to access your private registries and internal network resources.
dependabot label or a custom label to each runner you want Dependabot to use. See Using labels with self-hosted runners.Warning
Before selecting Labeled runner, make sure a runner has the label you plan to use. If you specify a runner group, make sure the group exists and the repository can access it. See Dependabot on GitHub Actions runners.
Once you have configured self-hosted runners for Dependabot updates, you can select them at the organization or repository level.
Note
Changing the runner setting does not trigger a new Dependabot run.
On GitHub, navigate to the main page of the repository.
Under your repository name, click Settings. If you cannot see the "Settings" tab, select the dropdown menu, then click Settings.

In the "Security and quality" section of the sidebar, click Advanced Security.
Under "Dependency scanning", in the "Dependabot version updates" section, next to "Runner type", click .
From the "Runner type" dropdown menu, select Labeled runner.
Optionally, enter a runner group name and a custom runner label. If you do not enter a label, Dependabot uses the dependabot label.
Click Save runner selection.
If you cannot change the runner setting, your organization may restrict actions and self-hosted runners for the repository. Contact your organization owner for more information.
You can enable Dependabot on self-hosted runners for all existing private repositories in an organization. Only repositories already configured to run Dependabot on GitHub Actions will be updated to run Dependabot on self-hosted runners the next time a Dependabot job is triggered.
In the upper-right corner of GitHub, click your profile picture, then click Organizations.
Select an organization by clicking on it.
Under your organization name, click Settings. If you cannot see the "Settings" tab, select the dropdown menu, then click Settings.

In the " Security and quality" section of the sidebar, click Advanced Security then Global settings.
In the "Dependabot" section, next to "Runner type", click .
Select the "Runner type" dropdown menu, then click Labeled runner and provide any additional information. If you applied a custom label to your self-hosted runners, type that label in the "Runner label" text box.
To enable the feature for all new repositories in the organization, click Save runner selection.