Bump rocm-docs-core[api_reference] from 0.20.0 to 0.21.0 in /docs/sph…

…inx (#58)

Bumps [rocm-docs-core[api_reference]](https://github.com/RadeonOpenCompute/rocm-docs-core) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/RadeonOpenCompute/rocm-docs-core/releases)
- [Changelog](https://github.com/RadeonOpenCompute/rocm-docs-core/blob/develop/CHANGELOG.md)
- [Commits](ROCm/rocm-docs-core@v0.20.0...v0.21.0)

---
updated-dependencies:
- dependency-name: rocm-docs-core[api_reference]
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/sphinx/requirements.in

@@ -1 +1 @@
-rocm-docs-core[api_reference]==0.20.0
+rocm-docs-core[api_reference]==0.21.0

docs/sphinx/requirements.txt

@@ -53,10 +53,6 @@ idna==3.4
     # via requests
 imagesize==1.4.1
     # via sphinx
-importlib-metadata==6.8.0
-    # via sphinx
-importlib-resources==6.0.1
-    # via rocm-docs-core
 jinja2==3.1.2
     # via
     #   myst-parser
@@ -105,8 +101,6 @@ pynacl==1.5.0
     # via pygithub
 pyparsing==3.1.1
     # via doxysphinx
-pytz==2023.3
-    # via babel
 pyyaml==6.0
     # via
     #   myst-parser
@@ -116,7 +110,7 @@ requests==2.28.2
     # via
     #   pygithub
     #   sphinx
-rocm-docs-core[api_reference]==0.20.0
+rocm-docs-core[api_reference]==0.21.0
     # via -r requirements.in
 smmap==5.0.0
     # via gitdb
@@ -165,7 +159,3 @@ urllib3==1.26.15
     # via requests
 wrapt==1.15.0
     # via deprecated
-zipp==3.16.2
-    # via
-    #   importlib-metadata
-    #   importlib-resources