windows: Fix tests on Windows (#22616)

Release Notes:

- N/A

---------

Co-authored-by: Mikayla <mikayla.c.maki@gmail.com>

crates/gpui_macros/Cargo.toml

@@ -14,9 +14,9 @@ proc-macro = true
 doctest = true
 
 [dependencies]
-proc-macro2 = "1.0.66"
-quote = "1.0.9"
-syn = { version = "1.0.72", features = ["full", "extra-traits"] }
+proc-macro2.workspace = true
+quote.workspace = true
+syn.workspace = true
 
 [dev-dependencies]
 gpui.workspace = true