Pin reedline to 0.21 for release (nushell#9532)

# Description
See changelog:
https://github.com/nushell/reedline/releases/tag/v0.21.0

Cargo.toml

@@ -67,7 +67,7 @@ nu-term-grid = { path = "./crates/nu-term-grid", version = "0.81.1" }
 nu-std = { path = "./crates/nu-std", version = "0.81.1" }
 nu-utils = { path = "./crates/nu-utils", version = "0.81.1" }
 nu-ansi-term = "0.47.0"
-reedline = { version = "0.20.0", features = ["bashisms", "sqlite"]}
+reedline = { version = "0.21.0", features = ["bashisms", "sqlite"]}
 
 mimalloc = { version = "0.1.37", default-features = false, optional = true}
 
@@ -165,7 +165,7 @@ bench = false
 # To use a development version of a dependency please use a global override here
 # changing versions in each sub-crate of the workspace is tedious
 [patch.crates-io]
-reedline = { git = "https://github.com/nushell/reedline.git", branch = "main"}
+# reedline = { git = "https://github.com/nushell/reedline.git", branch = "main"}
 # nu-ansi-term = {git = "https://github.com/nushell/nu-ansi-term.git", branch = "main"}
 
 # Criterion benchmarking setup

crates/nu-cli/Cargo.toml

@@ -25,7 +25,7 @@ nu-protocol = { path = "../nu-protocol", version = "0.81.1" }
 nu-utils = { path = "../nu-utils", version = "0.81.1" }
 nu-color-config = { path = "../nu-color-config", version = "0.81.1" }
 nu-ansi-term = "0.47.0"
-reedline = { version = "0.20.0", features = ["bashisms", "sqlite"]}
+reedline = { version = "0.21.0", features = ["bashisms", "sqlite"]}
 
 atty = "0.2"
 chrono = { default-features = false, features = ["std"], version = "0.4" }