chore: Release dot-silo version 0.4.0

Cargo.lock

@@ -576,7 +576,7 @@ dependencies = [
 
 [[package]]
 name = "dot-silo"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "chksum",
  "clap",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "dot-silo"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 repository = "https://github.com/Trivernis/silo"
 description = "A dotfile manager"