Fix pySigma RE2 compatibility in fresh installations

uv.lock

@@ -546,7 +546,7 @@ wheels = [
 
 [[package]]
 name = "netscaler-triage"
-version = "1.0.0"
+version = "1.0.1"
 source = { editable = "." }
 dependencies = [
     { name = "py7zr" },
@@ -569,7 +569,7 @@ dev = [
 [package.metadata]
 requires-dist = [
     { name = "py7zr", specifier = ">=1.0" },
-    { name = "pysigma", specifier = ">=1.5.1" },
+    { name = "pysigma", specifier = ">=1.5.1,<2" },
     { name = "pyzipper", specifier = ">=0.3.6" },
     { name = "regex", specifier = ">=2025.11" },
     { name = "rich", specifier = ">=14.1" },