Auto merge of rust-lang#5285 - matthiaskrgr:dep_it, r=flip1995

deps: bump itertools 0.8 -> 0.9

changelog: none

Author: bors

clippy_lints/Cargo.toml

@@ -19,7 +19,7 @@ edition = "2018"
 [dependencies]
 cargo_metadata = "0.9.0"
 if_chain = "1.0.0"
-itertools = "0.8"
+itertools = "0.9"
 lazy_static = "1.0.2"
 matches = "0.1.7"
 pulldown-cmark = { version = "0.7", default-features = false }