gnu: r-copyhelper: Update to 1.28.0.

* gnu/packages/bioconductor.scm (r-copyhelper): Update to 1.28.0.

gnu/packages/bioconductor.scm

@@ -1293,14 +1293,13 @@ chromstaR package.")
 (define-public r-copyhelper
   (package
     (name "r-copyhelper")
-    (version "1.6.0")
+    (version "1.28.0")
     (source
      (origin
        (method url-fetch)
        (uri (bioconductor-uri "CopyhelpeR" version 'experiment))
        (sha256
-        (base32
-         "0x7cyynjmxls9as2gg0iyp9x5fpalxmdjq914ss7i84i9zyk5bhq"))))
+        (base32 "0klrnxck0q14birnpwzkiwmj77hwdn6gazvdg0lqn9y6j5mbkyx1"))))
     (properties `((upstream-name . "CopyhelpeR")))
     (build-system r-build-system)
     (home-page "https://bioconductor.org/packages/CopyhelpeR/")