Search for kvikio with lowercase (#17243)

## Description
<!-- Provide a standalone description of changes in this PR. -->
<!-- Reference any issues closed by this PR with "closes #1234". -->
<!-- Note: The pull request title will be included in the CHANGELOG. -->
The case-sensitive name KvikIO is will throw off `find_package`
searches, particularly after
rapidsai/devcontainers#414 make the usage
consistent in devcontainers.

## Checklist
- [x] I am familiar with the [Contributing
Guidelines](https://github.com/rapidsai/cudf/blob/HEAD/CONTRIBUTING.md).
- [x] New or existing tests cover these changes.
- [x] The documentation is up to date with these changes.

cpp/cmake/thirdparty/get_kvikio.cmake

@@ -1,5 +1,5 @@
 # =============================================================================
-# Copyright (c) 2022-2023, NVIDIA CORPORATION.
+# Copyright (c) 2022-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 # in compliance with the License. You may obtain a copy of the License at
@@ -16,7 +16,7 @@
 function(find_and_configure_kvikio VERSION)
 
   rapids_cpm_find(
-    KvikIO ${VERSION}
+    kvikio ${VERSION}
     GLOBAL_TARGETS kvikio::kvikio
     CPM_ARGS
     GIT_REPOSITORY https://github.com/rapidsai/kvikio.git