darkirc: bump minor version number to 0.4.2

bin/darkirc/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "darkirc"
 description = "P2P IRC daemon"
-version = "0.4.1"
+version = "0.4.2"
 edition = "2021"
 authors = ["Dyne.org foundation <foundation@dyne.org>"]
 license = "AGPL-3.0-only"