fix: use correct error

Author: cx-rui-oliveira

engine/engine.go

@@ -177,7 +177,7 @@ func (e *Engine) detectChunks(item plugins.ISourceItem, secretsChannel chan *sec
 	for {
 		chunkStr, err := e.chunk.ReadChunk(reader, totalLines)
 		if err != nil {
-			if err.Error() == "skipping file - unsupported file type" {
+			if err.Error() == "skipping file: unsupported file type" {
 				log.Debug().Msgf("Skipping file %s: unsupported file type", item.GetSource())
 				return nil
 			}

engine/engine_test.go

@@ -371,7 +371,7 @@ func TestDetectChunks(t *testing.T) {
 			mockFunc: func(m *mock) {
 				m.chunk.EXPECT().GetSize().Return(chunkSize)
 				m.chunk.EXPECT().GetMaxPeekSize().Return(maxPeekSize)
-				m.chunk.EXPECT().ReadChunk(gomock.Any(), 0).Return("", fmt.Errorf("skipping file - unsupported file type"))
+				m.chunk.EXPECT().ReadChunk(gomock.Any(), 0).Return("", fmt.Errorf("skipping file: unsupported file type"))
 			},
 			expectedLog: "Skipping file %s: unsupported file type",
 		},