Merge branch 'zarr-developers:main' into 2.15_release_notes

Author: sanketverma1704

.github/workflows/releases.yml

@@ -64,7 +64,7 @@ jobs:
         with:
           name: releases
           path: dist
-      - uses: pypa/gh-action-pypi-publish@v1.8.1
+      - uses: pypa/gh-action-pypi-publish@v1.8.3
         with:
           user: __token__
           password: ${{ secrets.pypi_password }}

requirements_dev_optional.txt

@@ -3,7 +3,7 @@
 lmdb==1.4.0; sys_platform != 'win32'
 # optional library requirements for Jupyter
 ipytree==0.2.2
-ipywidgets==8.0.4
+ipywidgets==8.0.6
 # optional library requirements for services
 # don't let pyup change pinning for azure-storage-blob, need to pin to older
 # version to get compatibility with azure storage emulator on appveyor (FIXME)