Apply suggestion from @bdeeming

Co-authored-by: BD <developer@deeming.nz>

src/git-source-provider.ts

@@ -212,9 +212,11 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
     core.endGroup()
 
     // LFS checkout
+    if (settings.lfs && !settings.sparseCheckout) {
         core.startGroup('Checking out LFS objects')
         await git.lfsCheckout()
         core.endGroup()
+    }
 
     // Submodules
     if (settings.submodules) {