Bump rocm-docs-core from 1.30.1 to 1.31.0 in /docs/sphinx (#5751)

Bumps [rocm-docs-core](https://github.com/ROCm/rocm-docs-core) from 1.30.1 to 1.31.0.
- [Release notes](https://github.com/ROCm/rocm-docs-core/releases)
- [Changelog](https://github.com/ROCm/rocm-docs-core/blob/v1.31.0/CHANGELOG.md)
- [Commits](https://github.com/ROCm/rocm-docs-core/compare/v1.30.1...v1.31.0)

---
updated-dependencies:
- dependency-name: rocm-docs-core
  dependency-version: 1.31.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

docs/sphinx/requirements.in

@@ -1,4 +1,4 @@
-rocm-docs-core==1.30.1
+rocm-docs-core==1.31.0
 sphinx-reredirects
 sphinx-sitemap
 sphinxcontrib.datatemplates==0.11.0

docs/sphinx/requirements.txt

@@ -132,6 +132,7 @@ nest-asyncio==1.6.0
 packaging==25.0
     # via
     #   ipykernel
+    #   pydata-sphinx-theme
     #   sphinx
 parso==0.8.5
     # via jedi
@@ -149,7 +150,7 @@ pure-eval==0.2.3
     # via stack-data
 pycparser==2.23
     # via cffi
-pydata-sphinx-theme==0.16.1
+pydata-sphinx-theme==0.15.4
     # via
     #   rocm-docs-core
     #   sphinx-book-theme
@@ -187,7 +188,7 @@ requests==2.32.5
     # via
     #   pygithub
     #   sphinx
-rocm-docs-core==1.30.1
+rocm-docs-core==1.31.0
     # via -r requirements.in
 rpds-py==0.29.0
     # via
@@ -217,7 +218,7 @@ sphinx==8.1.3
     #   sphinx-reredirects
     #   sphinxcontrib-datatemplates
     #   sphinxcontrib-runcmd
-sphinx-book-theme==1.1.3
+sphinx-book-theme==1.1.4
     # via rocm-docs-core
 sphinx-copybutton==0.5.2
     # via rocm-docs-core