Update io_bazel_rules_avro digest to dcffee9

Author: renovate[bot]

WORKSPACE

@@ -104,9 +104,9 @@ http_archive(
 http_archive(
     name = "io_bazel_rules_avro",
     patches = ["//third_party/rules_avro:rules_avro.patch"],
-    sha256 = "d92109e9333acd65e1f8071397802e3c14e43cd6193ff0f529c57083e4840a12",
-    strip_prefix = "rules_avro-c14ea879bb28083cb1dc555d2014da66a2c1ec06",
-    url = "https://github.com/chenrui333/rules_avro/archive/c14ea879bb28083cb1dc555d2014da66a2c1ec06.tar.gz",
+    sha256 = "fa9755094d0711176da1ccae5aa8812422587815d19540a888fae1625ff5e446",
+    strip_prefix = "rules_avro-dcffee96d701c067008eed8e59a240e5e22de8d2",
+    url = "https://github.com/chenrui333/rules_avro/archive/dcffee96d701c067008eed8e59a240e5e22de8d2.tar.gz",
 )
 
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