Fix ruby debugger (#32407)

Closes #ISSUE

Release Notes:

- debugger: Fix Ruby (was broken by #30833)

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Co-authored-by: Anthony Eid <hello@anthonyeid.me>
Co-authored-by: Piotr Osiewicz <peterosiewicz@gmail.com>
Co-authored-by: Cole Miller <m@cole-miller.net>

crates/dap_adapters/Cargo.toml

@@ -23,6 +23,7 @@ doctest = false
 [dependencies]
 anyhow.workspace = true
 async-trait.workspace = true
+collections.workspace = true
 dap.workspace = true
 futures.workspace = true
 gpui.workspace = true