Bump itertools from 0.8.2 to 0.9.0

Bumps [itertools](https://github.com/bluss/rust-itertools) from 0.8.2 to 0.9.0.
- [Release notes](https://github.com/bluss/rust-itertools/releases)
- [Changelog](https://github.com/rust-itertools/itertools/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bluss/rust-itertools/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Cargo.toml

@@ -21,7 +21,7 @@ chashmap = "2.2"
 clap = "2.33"
 futures = "0.3"
 futures-boxed = { path = "crates/futures_boxed" }
-itertools = "0.8"
+itertools = "0.9"
 jsonrpc = { path = "crates/jsonrpc" }
 jsonrpc-derive = { path = "crates/jsonrpc_derive" }
 log = "0.4"

crates/texlab_citeproc/Cargo.toml

@@ -17,7 +17,7 @@ citeproc-io = { git = "https://github.com/cormacrelf/citeproc-rs", rev = "68c7a7
 csl = { git = "https://github.com/cormacrelf/citeproc-rs", rev = "68c7a7c16088b5d7751641ab37299ad064cdb221" }
 fnv = "1.0"
 html2md = "0.2"
-itertools = "0.8"
+itertools = "0.9"
 lalrpop-util = "0.18"
 once_cell = "1.3"
 regex = "1.3"

crates/texlab_completion/Cargo.toml

@@ -12,7 +12,7 @@ doctest = false
 [dependencies]
 futures = "0.3"
 futures-boxed = { path = "../futures_boxed" }
-itertools = "0.8"
+itertools = "0.9"
 log = "0.4"
 once_cell = "1.3"
 petgraph = { version = "0.5", features = ["serde-1"] }

crates/texlab_feature/Cargo.toml

@@ -12,7 +12,7 @@ doctest = false
 [dependencies]
 futures = "0.3"
 futures-boxed = { path = "../futures_boxed" }
-itertools = "0.8"
+itertools = "0.9"
 log = "0.4"
 petgraph = { version = "0.5", features = ["serde-1"] }
 serde = { version = "1.0", features = ["derive", "rc"] }

crates/texlab_hover/Cargo.toml

@@ -14,7 +14,7 @@ base64 = "0.12"
 futures = "0.3"
 futures-boxed = { path = "../futures_boxed" }
 image = "0.23"
-itertools = "0.8"
+itertools = "0.9"
 log = "0.4"
 once_cell = "1.3"
 petgraph = { version = "0.5", features = ["serde-1"] }

crates/texlab_symbol/Cargo.toml

@@ -12,7 +12,7 @@ doctest = false
 [dependencies]
 futures = "0.3"
 futures-boxed = { path = "../futures_boxed" }
-itertools = "0.8"
+itertools = "0.9"
 log = "0.4"
 petgraph = { version = "0.5", features = ["serde-1"] }
 texlab-feature = { path = "../texlab_feature" }

crates/texlab_syntax/Cargo.toml

@@ -10,7 +10,7 @@ edition = "2018"
 doctest = false
 
 [dependencies]
-itertools = "0.8"
+itertools = "0.9"
 once_cell = "1.3"
 petgraph = { version = "0.5", features = ["serde-1"] }
 rayon = "1.3"