gnu: Add rust-hmac-0.12.

* gnu/packages/crates-io.scm (rust-hmac-0.12): New variable.
(rust-hmac-0.11): Inherit from above.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/packages/crates-io.scm

@@ -24282,8 +24282,33 @@ (define-public rust-hkdf-0.8
        (("rust-digest" ,rust-digest-0.8)
         ("rust-hmac" ,rust-hmac-0.7))))))
 
+(define-public rust-hmac-0.12
+  (package
+    (name "rust-hmac")
+    (version "0.12.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "hmac" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "18nnjkvvpkjw6ppcyijysgxmr4a7knd98msb6vgy4b3z7qgi7jnx"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs (("rust-digest" ,rust-digest-0.10))))
+    (home-page "https://github.com/RustCrypto/MACs")
+    (synopsis "Generic implementation of Hash-based Message Authentication Code")
+    (description
+     "This package provides a generic implementation of @acronym{HMAC,
+Hash-based Message Authentication Code}.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-hmac-0.11
   (package
+    (inherit rust-hmac-0.12)
     (name "rust-hmac")
     (version "0.11.0")
     (source
@@ -24295,7 +24320,6 @@ (define-public rust-hmac-0.11
         (sha256
          (base32
           "16z61aibdg4di40sqi4ks2s4rz6r29w4sx4gvblfph3yxch26aia"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
        (("rust-crypto-mac" ,rust-crypto-mac-0.11)
@@ -24304,13 +24328,7 @@ (define-public rust-hmac-0.11
        (("rust-crypto-mac" ,rust-crypto-mac-0.11)
         ("rust-md-5" ,rust-md-5-0.9)
         ("rust-sha2" ,rust-sha2-0.9)
-        ("rust-streebog" ,rust-streebog-0.9))))
+        ("rust-streebog" ,rust-streebog-0.9))))))
-    (home-page "https://github.com/RustCrypto/MACs")
-    (synopsis "Generic implementation of Hash-based Message Authentication Code")
-    (description
-     "This package provides a generic implementation of @acronym{HMAC,
-Hash-based Message Authentication Code}.")
-    (license (list license:expat license:asl2.0))))
 
 (define-public rust-hmac-0.10
   (package