gnu: Add rust-hashbrown-0.12.

* gnu/packages/crates-io.scm (rust-hashbrown-0.12): New variable.

gnu/packages/crates-io.scm

@@ -26550,6 +26550,40 @@ already-hashed or hash-like data.")
 @code{#[derive(Hash32)]}.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-hashbrown-0.12
+  (package
+    (name "rust-hashbrown")
+    (version "0.12.3")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "hashbrown" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1268ka4750pyg2pbgsr43f0289l5zah4arir2k4igx5a8c6fg7la"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-ahash" ,rust-ahash-0.7)
+        ("rust-bumpalo" ,rust-bumpalo-3)
+        ("rust-compiler-builtins" ,rust-compiler-builtins-0.1)
+        ("rust-rayon" ,rust-rayon-1)
+        ("rust-rustc-std-workspace-alloc" ,rust-rustc-std-workspace-alloc-1)
+        ("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1)
+        ("rust-serde" ,rust-serde-1))
+       #:cargo-development-inputs
+       (("rust-doc-comment" ,rust-doc-comment-0.3)
+        ("rust-fnv" ,rust-fnv-1)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-rand" ,rust-rand-0.8)
+        ("rust-rayon" ,rust-rayon-1)
+        ("rust-serde-test" ,rust-serde-test-1))))
+    (home-page "https://github.com/rust-lang/hashbrown")
+    (synopsis "Rust port of Google's SwissTable hash map")
+    (description
+     "This package provides a Rust port of Google's SwissTable hash map")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-hashbrown-0.11
   (package
     (name "rust-hashbrown")