Bump rocm-docs-core from 0.11.0 to 0.20.0 in /docs/.sphinx (#49)

* Bump rocm-docs-core from 0.11.0 to 0.20.0 in /docs/.sphinx

Bumps [rocm-docs-core](https://github.com/RadeonOpenCompute/rocm-docs-core) from 0.11.0 to 0.20.0.
- [Release notes](https://github.com/RadeonOpenCompute/rocm-docs-core/releases)
- [Changelog](https://github.com/RadeonOpenCompute/rocm-docs-core/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/RadeonOpenCompute/rocm-docs-core/compare/v0.11.0...v0.20.0

)

---
updated-dependencies:
- dependency-name: rocm-docs-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>

* Update docs/.sphinx/requirements.in

* Update docs/.sphinx/requirements.txt

---------
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sam Wu <sam.wu2@amd.com>

docs/.sphinx/requirements.in

-rocm-docs-core==0.11.0
+rocm-docs-core>=0.20.0

docs/.sphinx/requirements.txt

@@ -46,16 +46,10 @@ idna==3.4
     # via requests
 imagesize==1.4.1
     # via sphinx
-importlib-metadata==6.0.0
-    # via sphinx
-importlib-resources==5.12.0
-    # via rocm-docs-core
 jinja2==3.1.2
     # via
     #   myst-parser
     #   sphinx
-linkify-it-py==1.0.3
-    # via myst-parser
 markdown-it-py==2.2.0
     # via
     #   mdit-py-plugins
@@ -66,7 +60,7 @@ mdit-py-plugins==0.3.5
     # via myst-parser
 mdurl==0.1.2
     # via markdown-it-py
-myst-parser[linkify]==1.0.0
+myst-parser==1.0.0
     # via rocm-docs-core
 packaging==23.0
     # via
@@ -89,8 +83,6 @@ pyjwt[crypto]==2.6.0
     # via pygithub
 pynacl==1.5.0
     # via pygithub
-pytz==2023.3
-    # via babel
 pyyaml==6.0
     # via
     #   myst-parser
@@ -100,7 +92,7 @@ requests==2.28.2
     # via
     #   pygithub
     #   sphinx
-rocm-docs-core==0.11.0
+rocm-docs-core>=0.20.0
     # via -r requirements.in
 smmap==5.0.0
     # via gitdb
@@ -143,13 +135,7 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 typing-extensions==4.5.0
     # via pydata-sphinx-theme
-uc-micro-py==1.0.1
-    # via linkify-it-py
 urllib3==1.26.15
     # via requests
 wrapt==1.15.0
     # via deprecated
-zipp==3.15.0
-    # via
-    #   importlib-metadata
-    #   importlib-resources