Log Message:
py-sphinx-gallery: updated to 0.15.0

v0.15.0
-------

Support for Python 3.7 dropped in this release. Requirement is now Python >=3.8.
Pillow added as a dependency.

**Implemented enhancements:**

-  ENH: Improve logging visibility of errors and filenames
-  ENH: Improve API usage graph
-  ENH: Always write sg_execution_times and make DataTable
-  ENH: Write all computation times
-  ENH: Support source files in any language
-  FEA Add examples recommender system

**Fixed bugs:**

-  FIX Copy JupyterLite contents early so it runs before jupyterlite_sphinx \ 
build-finished
-  BUG: Fix bug with orphan sg_api_usage
-  MAINT Fix check for mismatched “ignore” blocks
-  Avoid importing new modules in backrefs

**Documentation**

-  DOC Put configuration list under headings
-  DOC: contributing guide
-  DOC Note support for python 3.7 dropped in release notes