Start of milestone changes for 9.1

[BHoMBot]

Update assembly file version to 9.1.0.0
Update copyright headers to new year 2026

[pawelbaran]

@BHoMBot check project-compliance
@BHoMBot check copyright-compliance

[bhombot-ci]

@pawelbaran to confirm, the following actions are now queued:

• check project-compliance
• check copyright-compliance

There are 22 requests in the queue ahead of you.

[bhombot-ci]

@BHoMBot just to let you know, I have provided a check-versioning result to this Pull Request as it was detected to be linked to other Pull Requests in a series. The comment which triggered this check came from @pawelbaran on Versioning_Toolkit

[pawelbaran]

@BHoMBot check project-compliance
@BHoMBot check copyright-compliance

[bhombot-ci]

@pawelbaran to confirm, the following actions are now queued:

• check project-compliance
• check copyright-compliance

There are 224 requests in the queue ahead of you.

[bhombot-ci]

@BHoMBot just to let you know, I have provided a check-installer result to this Pull Request as it was detected to be linked to other Pull Requests in a series. The comment which triggered this check came from @pawelbaran on Versioning_Toolkit

[bhombot-ci]

@BHoMBot just to let you know, I have provided a check-installer result to this Pull Request as it was detected to be linked to other Pull Requests in a series. The comment which triggered this check came from @pawelbaran on BHoM_Installer

[bhombot-ci]

@BHoMBot just to let you know, I have provided a check-installer result to this Pull Request as it was detected to be linked to other Pull Requests in a series. The comment which triggered this check came from @pawelbaran on BHoMAnalytics_Toolkit

[michaelhoehn]

Approved for start of milestone.

[bhombot-ci]

@BHoMBot just to let you know, I have provided a check-installer result to this Pull Request as it was detected to be linked to other Pull Requests in a series. The comment which triggered this check came from @pawelbaran on SQL_Toolkit

[michaelhoehn]

@BHoMBot this is a DevOps instruction. I am requesting neutral checks on: ready-to-merge

[bhombot-ci]

@michaelhoehn I have provided neutral checks to the checks requested. These checks will need to be run properly to obtain full results.