quiche crate v0.6.0

Bug: 155855709
Test: n/a
Change-Id: I9ac5a0d80b6506e6bf5f9412ad9ecb71e917eced
diff --git a/clippy.toml b/clippy.toml
new file mode 100644
index 0000000..b599b53
--- /dev/null
+++ b/clippy.toml
@@ -0,0 +1 @@
+cognitive-complexity-threshold = 100