chore: update deny.toml

deny.toml

@@ -115,7 +115,7 @@ allow = [
 # The higher the value, the more closely the license text must be to the
 # canonical license text of a valid SPDX license file.
 # [possible values: any between 0.0 and 1.0].
-confidence-threshold = 0.8
+confidence-threshold = 0.6
 # Allow 1 or more licenses on a per-crate basis, so that particular licenses
 # aren't accepted for every possible crate as with the normal allow list
 exceptions = [