Enable clippy unwrap_used lint

Signed-off-by: Adam Cattermole <[email protected]>

src/lib.rs

@@ -1,6 +1,7 @@
+#![deny(clippy::all, clippy::unwrap_used)]
 mod configuration;
 mod data;
-#[allow(renamed_and_removed_lints)]
+#[allow(renamed_and_removed_lints, clippy::unwrap_used)]
 mod envoy;
 mod filter;
 mod glob;