Enable Binary artifacts check for local repos (#2)

Enable Binary artifacts check for local repositories that was disabled
in the PR ossf#2039 and revert the change done for empty repository handling
in the PR ossf#2207

checks/binary_artifact.go

@@ -27,6 +27,7 @@ const CheckBinaryArtifacts string = "Binary-Artifacts"
 //nolint
 func init() {
 	supportedRequestTypes := []checker.RequestType{
+		checker.FileBased,
 		checker.CommitBased,
 	}
 	if err := registerCheck(CheckBinaryArtifacts, BinaryArtifacts, supportedRequestTypes); err != nil {

pkg/scorecard.go

@@ -105,7 +105,7 @@ func RunScorecard(ctx context.Context,
 	defer repoClient.Close()
 
 	commitSHA, err := getRepoCommitHash(repoClient)
-	if err != nil || commitSHA == "" {
+	if err != nil {
 		return ScorecardResult{}, err
 	}
 	defaultBranch, err := repoClient.GetDefaultBranchName()