Bump to 0.81.1 as development version (#9379)

# Description
Primarily used as a marker on issues and if necessary as a patch release
version.

crates/nu-utils/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 license = "MIT"
 name = "nu-utils"
 repository = "https://github.com/nushell/nushell/tree/main/crates/nu-utils"
-version = "0.81.0"
+version = "0.81.1"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [[bin]]

crates/nu-utils/src/sample_config/default_config.nu

@@ -1,6 +1,6 @@
 # Nushell Config File
 #
-# version = 0.80.1
+# version = 0.81.1
 
 # For more information on defining custom themes, see
 # https://www.nushell.sh/book/coloring_and_theming.html

crates/nu-utils/src/sample_config/default_env.nu

@@ -1,6 +1,6 @@
 # Nushell Environment Config File
 #
-# version = 0.80.1
+# version = 0.81.1
 
 def create_left_prompt [] {
     mut home = ""