Upgrade overlookd dependencies

Author: mati865

Cargo.lock

@@ -22,11 +22,11 @@ rls-data = "= 0.19"
 rls-span = "0.5.2"
 derive-new = "0.5"
 fst = { version = "0.4", default-features = false }
-itertools = "0.9"
+itertools = "0.10"
 json = "0.12"
 serde = "1.0"
 serde_json = "1.0"
 
 [dev-dependencies]
 lazy_static = "1"
-env_logger = "0.7"
+env_logger = "0.9"

rls-analysis/Cargo.toml

@@ -9,9 +9,9 @@ repository = "https://github.com/rust-lang/rls"
 categories = ["development-tools"]
 
 [dependencies]
-env_logger = "0.7"
+env_logger = "0.9"
 log = "0.4"
-rand = "0.7"
+rand = "0.8"
 clippy_lints = { git = "https://github.com/rust-lang/rust-clippy", version = "0.1.60", optional = true }
 tokio = { version = "1", optional = true }
 futures = { version = "0.3", optional = true }