refactor: set removal version for deno bundle (#22062)

This change sets the removal version for the `deno bundle` sub-command
for Deno v2. The warnings appear when `deno bundle` is run and in the
`--help` menu.

cli/args/flags.rs

@@ -1169,7 +1169,10 @@ fn bundle_subcommand() -> Command {
   Command::new("bundle")
     .about("Bundle module and dependencies into single file")
     .long_about(
-      "Output a single JavaScript file with all dependencies.
+      "⚠️ Warning: `deno bundle` is deprecated and will be removed in Deno 2.0.
+Use an alternative bundler like \"deno_emit\", \"esbuild\" or \"rollup\" instead.
+
+Output a single JavaScript file with all dependencies.
 
   deno bundle https://deno.land/std/http/file_server.ts file_server.bundle.js
 

cli/tests/testdata/bundle/shebang_file.bundle.out

@@ -1,5 +1,5 @@
-Warning "deno bundle" is deprecated and will be removed in the future.
-Use alternative bundlers like "deno_emit", "esbuild" or "rollup" instead.
+⚠️ Warning: `deno bundle` is deprecated and will be removed in Deno 2.0.
+Use an alternative bundler like "deno_emit", "esbuild" or "rollup" instead.
 Bundle file:///[WILDCARD]/subdir/shebang_file.js
 #!/usr/bin/env -S deno run --allow-read
 // deno-fmt-ignore-file

cli/tools/bundle.rs

@@ -21,11 +21,8 @@ pub async fn bundle(
   bundle_flags: BundleFlags,
 ) -> Result<(), AnyError> {
   log::info!(
-    "{} \"deno bundle\" is deprecated and will be removed in the future.",
-    colors::yellow("Warning"),
-  );
-  log::info!(
-    "Use alternative bundlers like \"deno_emit\", \"esbuild\" or \"rollup\" instead."
+    "{}",
+    colors::yellow("⚠️ Warning: `deno bundle` is deprecated and will be removed in Deno 2.0.\nUse an alternative bundler like \"deno_emit\", \"esbuild\" or \"rollup\" instead."),
   );
 
   if let Some(watch_flags) = &bundle_flags.watch {