chore(deps): bump config from 0.15.14 to 0.15.15 (#72)

Author: dependabot[bot]

Cargo.lock

@@ -17,7 +17,7 @@ keywords = ["wallpaper", "wallpaper-changer"]
 anyhow = "1.0.99"
 clap = "4.5.45"
 clap_derive = "4.5.45"
-config = "0.15.14"
+config = "0.15.15"
 daemonize = "0.5.0"
 home = "0.5.11"
 rand = "0.9.2"