fix: Pass the redo flag to the executor

If the redo flag is set, the executor should not load data from
the cache. Hence we pass the redo flag to the load_from_cache
function used in the scancode executor.

Fixes #999

Signed-off-by: Nisha K <nishak@vmware.com>

tern/extensions/scancode/executor.py

@@ -194,7 +194,7 @@ def execute(self, image_obj, redo=False):
         '''
         for layer in image_obj.layers:
             # load the layers from cache
-            common.load_from_cache(layer)
+            common.load_from_cache(layer, redo)
             if redo or not layer.files_analyzed:
                 # the layer doesn't have analyzed files, so run analysis
                 file_list, package_list = collect_layer_data(layer)