increase sphinx version to >= 7.2.0

- fix #75
- avoids error of missing ast.Str in Python 3.14
- verified that 7.2.0 builds the docs

Author: orbeckst

CHANGELOG.md

@@ -19,7 +19,8 @@ The rules for this file:
 ## [Unreleased]
 
 ### Authors
-IAlibay
+- IAlibay
+- orbeckst
 
 ### Reviewers
 <!-- GitHub usernames of reviewers of this release -->
@@ -31,6 +32,7 @@ IAlibay
 <!-- Bug fixes -->
 
 ### Changed
+- Bumped minimum required sphinx to 7.2.0 (#75, PR #100)
 - Modernized packaging to be PEP518 compliant.
 
 ### Removed

docs/environment.yml

@@ -18,7 +18,7 @@ dependencies:
   - pandoc
   - wheel
   - sphinx-autobuild
-  - sphinx>=6.2.1
+  - sphinx>=7.2.0
   - sphinx_rtd_theme
 
   - mdanalysis

pyproject.toml

@@ -36,7 +36,7 @@ readme = {file = "README.md", content-type = "text/markdown"}
 requires-python = ">=3.9"
 dependencies = [
     "sphinx_rtd_theme>=1.3",
-    "sphinx>=6.2.1",
+    "sphinx>=7.2.0",
     "beautifulsoup4",
     "python-slugify[unidecode]",
     "css_html_js_minify",