Fix codespell behavior. (#1769)

Recently, I added support for `codespell` in CCCL (NVIDIA/cccl#3168). @shwina noticed some issues in my PR that were fixed in NVIDIA/cccl#3182. This PR ports similar fixes to RMM, to make `codespell` work better when run both inside and outside of `pre-commit`.

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

Approvers:
  - Mike Sarahan (https://github.com/msarahan)

URL: #1769

.pre-commit-config.yaml

@@ -42,6 +42,8 @@ repos:
     rev: v2.3.0
     hooks:
       - id: codespell
+        additional_dependencies: [tomli]
+        args: ["--toml", "pyproject.toml"]
         exclude: |
           (?x)^(
             pyproject.toml|

pyproject.toml

@@ -3,10 +3,10 @@
 [tool.codespell]
 # note: pre-commit passes explicit lists of files here, which this skip file list doesn't override -
 # this is only to allow you to run codespell interactively
-skip = "./pyproject.toml,./.git,./.github,./cpp/build,.*egg-info.*,./.mypy_cache,./benchmarks/utilities/cxxopts.hpp"
+skip = "./.git,./build,./python/_skbuild/,.*egg-info.*,./.mypy_cache,./pyproject.toml,./benchmarks/utilities/cxxopts.hpp"
 # ignore short words, and typename parameters like OffsetT
 ignore-regex = "\\b(.{1,4}|[A-Z]\\w*T)\\b"
-ignore-words-list = "inout,thirdparty"
+ignore-words-list = "thirdparty,couldn"
 builtin = "clear"
 quiet-level = 3