gnu: debian-archive-keyring: Update to 2019.01.

* gnu/packages/debian (debian-archive-keyring): Update to 2019.01.

gnu/packages/debian.scm

@@ -32,7 +32,7 @@
 (define-public debian-archive-keyring
   (package
     (name "debian-archive-keyring")
-    (version "2018.1")
+    (version "2019.1")
     (source
       (origin
         (method git-fetch)
@@ -42,7 +42,7 @@
         (file-name (git-file-name name version))
         (sha256
          (base32
-          "136vr5dj7w0dz563qdghsndcfcqm2m8d4j1dyiq9dzx5vd0rcpcw"))))
+          "0bphwji3ywk1zi5bq8bhqk7l51fwjy1idwsw7zfqnxca8m5wvw1g"))))
     (build-system gnu-build-system)
     (arguments
      '(#:test-target "verify-results"