gnu: Add rust-getrandom-0.2.

* gnu/packages/crates-io.scm (rust-getrandom-0.2): New variable.
(rust-getch-0.2): Inherit from above.

gnu/packages/crates-io.scm

@@ -11743,8 +11743,39 @@ (define-public rust-getopts-0.2
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-getrandom-0.2
+  (package
+    (name "rust-getrandom")
+    (version "0.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "getrandom" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "1x3clmvj5k2h9qv3ihbyif1rns3pf5y5n66f5jjyc5zr6v7jb07f"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-compiler-builtins" ,rust-compiler-builtins-0.1)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1)
+        ("rust-stdweb" ,rust-stdweb-0.4)
+        ("rust-wasi" ,rust-wasi-0.9)
+        ("rust-wasm-bindgen" ,rust-wasm-bindgen-0.2))
+       #:cargo-development-inputs
+       (("rust-wasm-bindgen-test" ,rust-wasm-bindgen-test-0.3))))
+    (home-page "https://github.com/rust-random/getrandom")
+    (synopsis "Retrieve random data from system source")
+    (description
+     "This package provides a small cross-platform library for
+retrieving random data from system source.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-getrandom-0.1
   (package
+    (inherit rust-getrandom-0.2)
     (name "rust-getrandom")
     (version "0.1.14")
     (source
@@ -11756,7 +11787,6 @@ (define-public rust-getrandom-0.1
        (sha256
         (base32
          "1sq30li71h19rhnhs1h6576ja68insajx8wvh1nn088r8pc8vg3s"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
@@ -11767,13 +11797,7 @@ (define-public rust-getrandom-0.1
         ("rust-log" ,rust-log-0.4)
         ("rust-stdweb" ,rust-stdweb-0.4)
         ("rust-wasi" ,rust-wasi-0.9)
-        ("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1))))
+        ("rust-rustc-std-workspace-core" ,rust-rustc-std-workspace-core-1))))))
-    (home-page "https://github.com/rust-random/getrandom")
-    (synopsis "Retrieve random data from system source")
-    (description
-     "This package provides a small cross-platform library for
-retrieving random data from system source.")
-    (license (list license:expat license:asl2.0))))
 
 (define-public rust-gettext-rs-0.5
   (package