Cannot build Sphinx docs

[TomekFraczek]

Sphinx docs seem to be unable to build due to missing link to the NDX-Events docs,
These docs are required since we depend on ndx-events, and the automated build scripts try to pull intersphinx docs for all dependencies

loading intersphinx inventory 'python' from https://docs.python.org/3/objects.inv ...
loading intersphinx inventory 'core' from https://nwb-schema.readthedocs.io/en/latest/objects.inv ...
loading intersphinx inventory 'hdmf-common' from https://hdmf-common-schema.readthedocs.io/en/latest/objects.inv ...
loading intersphinx inventory 'ndx-events' from https://github.com/rly/ndx-events?tab=readme-ov-file#readme/objects.inv ...
WARNING: failed to reach any of the inventories with the following issues:
unknown or unsupported inventory version: ValueError('invalid inventory header: ')
Generating output directory: D:\Work\BCM\NDX-extensions\ndx-wearables\docs\source\_format_auto_docs

Extension error!

Versions
========
* Platform:         win32; (Windows-11-10.0.26100-SP0)
* Python version:   3.12.9 (CPython)
* Sphinx version:   8.2.3
* Docutils version: 0.21.2
* Jinja2 version:   3.1.6
* Pygments version: 2.19.1

Last Messages
=============
None.

Loaded Extensions
=================
None.

Traceback
=========
      File "C:\Users\Tomek\miniconda3\envs\ndx-wearables\Lib\site-packages\sphinx\events.py", line 415, in emit
        raise ExtensionError(
    sphinx.errors.ExtensionError: Handler <function run_doc_autogen at 0x0000020D12A2DF80> for event 'builder-inited' threw an exception (exception: Could not load namespace 'ndx-events')