Update cuco git tag to fetch several bug fixes (#412)

This is a follow-up PR of #407. It fetches the latest cuco that fixes several bugs uncovered during libcudf integration.

rapidsai/cudf#13343 verified this won't break cudf.

Authors:
  - Yunsong Wang (https://github.com/PointKernel)

Approvers:
  - Bradley Dice (https://github.com/bdice)

URL: #412

rapids-cmake/cpm/versions.json

@@ -5,7 +5,7 @@
       "version" : "0.0.1",
       "git_shallow" : false,
       "git_url" : "https://github.com/NVIDIA/cuCollections.git",
-      "git_tag" : "a371904f50a0553346407f163a9ad14275d2aee9"
+      "git_tag" : "546ca606a17f480fa9d58d1752cce2aad6575bc4"
     },
     "fmt" : {
       "version" : "9.1.0",