Bump packaging in /llvm/docs in the llvm-docs-requirements group

Bumps the llvm-docs-requirements group in /llvm/docs with 1 update: [packaging](https://github.com/pypa/packaging).


Updates `packaging` from 24.1 to 24.2
- [Release notes](https://github.com/pypa/packaging/releases)
- [Changelog](https://github.com/pypa/packaging/blob/main/CHANGELOG.rst)
- [Commits](pypa/packaging@24.1...24.2)

---
updated-dependencies:
- dependency-name: packaging
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: llvm-docs-requirements
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

llvm/docs/requirements-hashed.txt

@@ -242,9 +242,9 @@ myst-parser==4.0.0 \
     --hash=sha256:851c9dfb44e36e56d15d05e72f02b80da21a9e0d07cba96baf5e2d476bb91531 \
     --hash=sha256:b9317997552424448c6096c2558872fdb6f81d3ecb3a40ce84a7518798f3f28d
     # via -r requirements.txt
-packaging==24.1 \
-    --hash=sha256:026ed72c8ed3fcce5bf8950572258698927fd1dbda10a5e981cdf0ac37f4f002 \
-    --hash=sha256:5b8f2217dbdbd2f7f384c41c628544e6d52f2d0f53c6d0c3ea61aa5d1d7ff124
+packaging==24.2 \
+    --hash=sha256:09abb1bccd265c01f4a3aa3f7a7db064b36514d2cba19a2f694fe6150451a759 \
+    --hash=sha256:c228a6dc5e932d346bc5739379109d49e8853dd8223571c7c5b55260edc0b97f
     # via sphinx
 pygments==2.18.0 \
     --hash=sha256:786ff802f32e91311bff3889f6e9a86e81505fe99f2735bb6d60ae0c5004f199 \