fix wrong getMessagesSinceTag() command

src/pygitversionhelper/gitversionhelper.py

@@ -169,9 +169,9 @@ class gitversionhelper:  # pylint: disable=too-few-public-methods
 
             str_cmd: str
             if ("same_branch" in kwargs) and (kwargs["same_branch"] is True):
-                str_cmd = f"git rev-list --first-parent --ancestry-path {tag_commit_id}..{current_commit_id}"
+                str_cmd = f"git rev-list --first-parent {tag_commit_id}..{current_commit_id}"  # ok
             else:
-                str_cmd = f"git rev-list --ancestry-path {tag_commit_id}..{current_commit_id}"
+                str_cmd = f"git rev-list {tag_commit_id}..{current_commit_id}"  # ok
 
             if ("ignore_merged" in kwargs) and (kwargs["ignore_merged"] is True):
                 str_cmd = str_cmd + " --no-merges"  # ok