fix(outputs): refactor unroll_tags to use str as tags (#4819)

Co-authored-by: Pedro Martín <pedromarting3@gmail.com>

prowler/lib/outputs/utils.py

@@ -63,10 +63,16 @@ def unroll_tags(tags: list) -> dict:
         >>> tags = {"name": "John", "age": "30"}
         >>> unroll_tags(tags)
         {'name': 'John', 'age': '30'}
+
+        >>> tags = ["name", "age"]
+        >>> unroll_tags(tags)
+        {'name': '', 'age': ''}
     """
-    if tags and tags != [{}] and tags != [None]:
+    if tags and tags != [{}] and tags != [None] and tags != []:
         if isinstance(tags, dict):
             return tags
+        if isinstance(tags[0], str) and len(tags) > 0:
+            return {tag: "" for tag in tags}
         if "key" in tags[0]:
             return {item["key"]: item["value"] for item in tags}
         elif "Key" in tags[0]:

tests/lib/outputs/outputs_test.py

@@ -150,6 +150,15 @@ class TestOutputs:
             "terraform": "true",
         }
 
+    def test_unroll_tags_only_list(self):
+        tags_list = ["tag1", "tag2", "tag3"]
+
+        assert unroll_tags(tags_list) == {
+            "tag1": "",
+            "tag2": "",
+            "tag3": "",
+        }
+
     def test_unroll_dict(self):
         test_compliance_dict = {
             "CISA": ["your-systems-3", "your-data-1", "your-data-2"],