Update instance repo from cookiecutter template

Author: github-actions[bot]

.cruft.json

@@ -1,6 +1,6 @@
 {
   "template": "/home/runner/work/cookiecutter-scverse/cookiecutter-scverse",
-  "commit": "c8dc04c2f2c59b718dee8e744948bad4e39db43f",
+  "commit": "c6678be8cbde7cbbb85caf4989e98f7d25220ce4",
   "checkout": null,
   "context": {
     "cookiecutter": {
@@ -36,7 +36,7 @@
         "trim_blocks": true
       },
       "_template": "/home/runner/work/cookiecutter-scverse/cookiecutter-scverse",
-      "_commit": "c8dc04c2f2c59b718dee8e744948bad4e39db43f"
+      "_commit": "c6678be8cbde7cbbb85caf4989e98f7d25220ce4"
     }
   },
   "directory": null

.readthedocs.yaml

@@ -3,7 +3,7 @@ version: 2
 build:
   os: ubuntu-24.04
   tools:
-    python: "3.13"
+    python: "3.14"
     nodejs: latest
   jobs:
     create_environment:

docs/conf.py

@@ -87,6 +87,7 @@
 nb_execution_mode = "off"
 nb_merge_streams = True
 typehints_defaults = "braces"
+always_use_bars_union = True  # use `|` instead of `Union` in types even when building with Python ≤3.14
 
 source_suffix = {
     ".rst": "restructuredtext",
@@ -95,8 +96,7 @@
 }
 
 intersphinx_mapping = {
-    # TODO: replace `3.13` with `3` once ReadTheDocs supports building with Python 3.14
-    "python": ("https://docs.python.org/3.13", None),
+    "python": ("https://docs.python.org/3", None),
     "anndata": ("https://anndata.readthedocs.io/en/stable/", None),
     "scanpy": ("https://scanpy.readthedocs.io/en/stable/", None),
     "numpy": ("https://numpy.org/doc/stable/", None),