xtask: Prevent Cargo from upgrading clap to 3.2

https://github.com/clap-rs/clap/issues/3822

xtask/Cargo.toml

@@ -8,7 +8,7 @@ publish = false
 default = ["isahc", "semver", "toml_edit"]
 
 [dependencies]
-clap = { version = "3.1.6", features = ["derive"] }
+clap = { version = "~3.1", features = ["derive"] }
 isahc = { version = "1.7.0", features = ["json"], optional = true }
 semver = { version = "1.0.6", features = ["serde"], optional = true }
 serde = { version = "1.0.136", features = ["derive"] }

xtask/src/doc.rs

@@ -3,6 +3,7 @@ use clap::Args;
 use crate::{cmd, Result};
 
 #[derive(Args)]
+#[allow(deprecated)]
 pub struct DocTask {
     /// Open the browser when the docs are built.
     #[clap(long)]

xtask/src/release.rs

@@ -19,6 +19,7 @@ use crate::{cargo::Package, cmd, util::ask_yes_no, GithubConfig, Metadata, Resul
 const GITHUB_API_RUMA: &str = "https://api.github.com/repos/ruma/ruma";
 
 #[derive(Args)]
+#[allow(deprecated)]
 pub struct ReleaseArgs {
     /// The crate to release
     pub package: String,