Update itertools to deduplicate it

Cargo.lock

@@ -3719,7 +3719,7 @@ dependencies = [
 name = "rustc_ast_passes"
 version = "0.0.0"
 dependencies = [
- "itertools 0.9.0",
+ "itertools 0.10.1",
  "rustc_ast",
  "rustc_ast_pretty",
  "rustc_attr",
@@ -3763,7 +3763,7 @@ name = "rustc_borrowck"
 version = "0.0.0"
 dependencies = [
  "either",
- "itertools 0.9.0",
+ "itertools 0.10.1",
  "polonius-engine",
  "rustc_const_eval",
  "rustc_data_structures",
@@ -3844,7 +3844,7 @@ version = "0.0.0"
 dependencies = [
  "bitflags",
  "cc",
- "itertools 0.9.0",
+ "itertools 0.10.1",
  "jobserver",
  "libc",
  "object 0.28.1",
@@ -4328,7 +4328,7 @@ name = "rustc_mir_transform"
 version = "0.0.0"
 dependencies = [
  "coverage_test_macros",
- "itertools 0.9.0",
+ "itertools 0.10.1",
  "rustc_ast",
  "rustc_attr",
  "rustc_const_eval",

compiler/rustc_ast_passes/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.0.0"
 edition = "2021"
 
 [dependencies]
-itertools = "0.9"
+itertools = "0.10"
 tracing = "0.1"
 rustc_ast_pretty = { path = "../rustc_ast_pretty" }
 rustc_attr = { path = "../rustc_attr" }

compiler/rustc_borrowck/Cargo.toml

@@ -8,7 +8,7 @@ doctest = false
 
 [dependencies]
 either = "1.5.0"
-itertools = "0.9"
+itertools = "0.10"
 tracing = "0.1"
 polonius-engine = "0.13.0"
 smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }

compiler/rustc_codegen_ssa/Cargo.toml

@@ -9,7 +9,7 @@ test = false
 [dependencies]
 bitflags = "1.2.1"
 cc = "1.0.69"
-itertools = "0.9"
+itertools = "0.10"
 tracing = "0.1"
 libc = "0.2.50"
 jobserver = "0.1.22"

compiler/rustc_mir_transform/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 doctest = false
 
 [dependencies]
-itertools = "0.9"
+itertools = "0.10"
 smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
 tracing = "0.1"
 rustc_ast = { path = "../rustc_ast" }