docs: fix docs and pipelines

.github/workflows/lint.yaml

@@ -17,10 +17,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python 3.12
+      - name: Set up Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -37,10 +37,10 @@ jobs:
       - check-linting
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python 3.12
+      - name: Set up Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -88,10 +88,10 @@ jobs:
       - check-docs
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python 3.12
+      - name: Set up Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/publish.yaml

@@ -12,10 +12,10 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: "0"
-      - name: Set up Python 3.12
+      - name: Set up Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

docs/source/conf.py

@@ -23,8 +23,6 @@
 
 """Sphinx documentation configuration."""
 
-import sphinx_rtd_theme
-
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -104,7 +102,6 @@ todo_include_todos = True
 # a list of builtin themes.
 #
 html_theme = "sphinx_rtd_theme"
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the