v2.6.1

SimplexGridFactory v2.6.1

Diff since v2.6.0

Merged pull requests:

• Bump actions/checkout from 4 to 5 (#27) (@dependabot[bot])
• Bump actions/setup-python from 5 to 6 (#28) (@dependabot[bot])
• Bump actions/checkout from 5 to 6 (#29) (@dependabot[bot])
• Bump actions/cache from 4 to 5 (#30) (@dependabot[bot])