Add set-safe-directory input to allow customers to take control. (#770)

* Add set-safe-directory input to allow customers to take control.

src/git-source-settings.ts

@@ -78,4 +78,9 @@ export interface IGitSourceSettings {
    * Organization ID for the currently running workflow (used for auth settings)
    */
   workflowOrganizationId: number | undefined
+
+  /**
+   * Indicates whether to add repositoryPath as safe.directory in git global config
+   */
+  setSafeDirectory: boolean
 }