gnu: Add rust-ct-logs-0.7.

* gnu/packages/crates-io.scm (rust-ct-logs-0.7): New variable.
(rust-ct-logs-0.3): Inherit from rust-ct-logs-0.7.

gnu/packages/crates-io.scm

@@ -4771,8 +4771,30 @@ Code} (MAC) algorithms.")
      "Bare bones CSV parsing with no_std support.")
     (license (list license:unlicense license:expat))))
 
+(define-public rust-ct-logs-0.7
+  (package
+    (name "rust-ct-logs")
+    (version "0.7.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "ct-logs" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0bk7pbmkjm18cgccm4a76vyn3wkaf2z4bh0jy9fk3dl4188i73lc"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs (("rust-sct" ,rust-sct-0.6))))
+    (home-page "https://github.com/ctz/ct-logs")
+    (synopsis "Google's list of Certificate Transparency logs")
+    (description "This package contains Google's list of Certificate
+Transparency logs for use with sct crate.")
+    (license (list license:asl2.0 license:isc license:expat))))
+
 (define-public rust-ct-logs-0.3
   (package
+    (inherit rust-ct-logs-0.7)
     (name "rust-ct-logs")
     (version "0.3.0")
     (source
@@ -4782,15 +4804,9 @@ Code} (MAC) algorithms.")
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
         (base32 "1f0885ws3p49xh6dfgnhh7zjw9h4rhs9ljs8i9cnkhifzz98784f"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
-       (("rust-sct" ,rust-sct-0.3))))
-    (home-page "https://github.com/ctz/ct-logs")
-    (synopsis "Google's list of Certificate Transparency logs")
-    (description "This package contains Google's list of Certificate
-Transparency logs for use with sct crate.")
-    (license (list license:asl2.0 license:isc license:expat))))
+       (("rust-sct" ,rust-sct-0.3))))))
 
 (define-public rust-ctor-0.1
   (package