Use Rust 1.95 consistently throughout the workspace

shell/ferese-settings/Cargo.toml

@@ -3,7 +3,7 @@ name = "ferese-settings"
 version.workspace = true
 edition.workspace = true
 license.workspace = true
-rust-version = "1.93"
+rust-version.workspace = true
 
 [dependencies]
 ferese-theme = { path = "../../crates/ferese-theme" }