r-grain: annotate build failure and skip osx-64

recipes/r-grain/build_failure.osx-64.yaml

@@ -1,5 +1,5 @@
 recipe_sha: f44e1a33601a1ce491d82e262549c72d59bbdd15cd4b0007ed9b7886887ace27  # The hash of the recipe's meta.yaml at which this recipe failed to build.
-skiplist: false # Set to true to skiplist this recipe so that it will be ignored as long as its latest commit is the one given above.
+skiplist: true # Set to true to skiplist this recipe so that it will be ignored as long as its latest commit is the one given above.
 log: |2-
        r-base >=3.6,<3.7.0a0  with the potential options
           r-base [3.5.1|3.6.1], which cannot be installed (as previously explained);
@@ -102,3 +102,7 @@ log: |2-
         r-base >=4.3,<4.4.0a0 , which can be installed;
    r-base 4.4.*  is not installable because it conflicts with any installable versions previously reported.
 # Last 100 lines of the build log.
+category: |-
+  dependency issue
+reason: |-
+  dependency bioconductor-rgraphviz is also skipped for osx-64