Update to CCCL 2.8.0 (#895)

* Update to CCCL 2.8.0

* Fixed out-of-bounds bug in cov

Author: cliffburdick

cmake/versions.json

@@ -1,10 +1,10 @@
 {
   "packages": {
     "CCCL": {
-      "version": "2.7.0-patch",
+      "version": "2.8.0",
       "git_shallow": false,
       "git_url": "https://github.com/NVIDIA/cccl.git",
-      "git_tag": "cbc6b9b"
+      "git_tag": "6d02e11"
     },
     "nvbench" : {
       "version" : "0.0",

docs_input/build.rst

@@ -27,7 +27,7 @@ for supported host compilers. Other requirements for optional components are lis
 Required Third-party Dependencies
 ---------------------------------
 
-- `CCCL <https://github.com/NVIDIA/cccl>`_ 2.7.0+ commit cbc6b9b or higher
+- `CCCL <https://github.com/NVIDIA/cccl>`_ 2.8.0 or higher
 
 
 Optional Third-party Dependencies

include/matx/operators/cov.h

@@ -45,7 +45,7 @@ namespace matx
     {
       private:
         typename detail::base_type_t<OpA> a_;
-        cuda::std::array<index_t, 2> out_dims_;
+        cuda::std::array<index_t, OpA::Rank()> out_dims_;
         mutable detail::tensor_impl_t<typename remove_cvref_t<OpA>::value_type, OpA::Rank()> tmp_out_;
         mutable typename remove_cvref_t<OpA>::value_type *ptr = nullptr;