fix(dep): install cmake as setup_requires instead of install_requires [backport 1.17] (#6472)

Backport 5dc852e from #6468 to 1.17.

Fixes #6467

`cmake` was added to `install_requires` instead of `setup_requires` when
it isn't needed there.

## Checklist

- [x] Change(s) are motivated and described in the PR description.
- [x] Testing strategy is described if automated tests are not included
in the PR.
- [x] Risk is outlined (performance impact, potential for breakage,
maintainability, etc).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] [Library release note
guidelines](https://ddtrace.readthedocs.io/en/stable/releasenotes.html)
are followed. If no release note is required, add label
`changelog/no-changelog`.
- [x] Documentation is included (in-code, generated user docs, [public
corp docs](https://github.com/DataDog/documentation/)).
- [x] Backport labels are set (if
[applicable](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting))

## Reviewer Checklist

- [x] Title is accurate.
- [x] No unnecessary changes are introduced.
- [x] Description motivates each change.
- [x] Avoids breaking
[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
changes unless absolutely necessary.
- [x] Testing strategy adequately addresses listed risk(s).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] Release note makes sense to a user of the library.
- [x] Reviewer has explicitly acknowledged and discussed the performance
implications of this PR as reported in the benchmarks PR comment.
- [x] Backport labels are set in a manner that is consistent with the
[release branch maintenance
policy](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting)

Co-authored-by: Brett Langdon <[email protected]>

Author: github-actions[bot]

releasenotes/notes/fix-cmake-dep-f25774b77cb7a795.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    core: This fix moves ``cmake`` from ``install_requires`` to ``setup_requires``.

setup.py

@@ -547,7 +547,6 @@ def get_ddup_ext():
         "envier",
         "pep562; python_version<'3.7'",
         "opentelemetry-api>=1; python_version>='3.7'",
-        "cmake>=3.24.2; python_version>='3.6'",
     ]
     + bytecode,
     extras_require={
@@ -585,7 +584,7 @@ def get_ddup_ext():
         "Programming Language :: Python :: 3.11",
     ],
     use_scm_version={"write_to": "ddtrace/_version.py"},
-    setup_requires=["setuptools_scm[toml]>=4", "cython<3"],
+    setup_requires=["setuptools_scm[toml]>=4", "cython<3", "cmake>=3.24.2; python_version>='3.6'"],
     ext_modules=ext_modules
     + cythonize(
         [