Update copyright headers to 2023 for new files

[FraserGreenroyd]

Issues addressed by this PR

Fixes #279

Test files

Changelog

Additional comments

[FraserGreenroyd]

@BHoMBot check copyright-compliance

[bhombot-ci]

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

• check copyright-compliance

[FraserGreenroyd]

@BHoMBot check compliance

[bhombot-ci]

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

• check code-compliance
• check documentation-compliance
• check project-compliance
• check branch-compliance
• check dataset-compliance
• check copyright-compliance

[bhombot-ci]

The check copyright-compliance has already been run previously and recorded as a successful check. This check has not been run again at this time.

[FraserGreenroyd]

@BHoMBot check versioning

[bhombot-ci]

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

• check versioning

[FraserGreenroyd]

@BHoMBot check core
@BHoMBot check serialisation
@BHoMBot check null-handling

[bhombot-ci]

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

• check core
• check serialisation
• check null-handling

[kprusicka]

The copyright headers now indeed include year 2023.

[FraserGreenroyd]

@BHoMBot check ready-to-merge

[bhombot-ci]

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

• check ready-to-merge

[kprusicka]

Dziekuje @BHoMBot

[bhombot-ci]

@kprusicka you're very welcome! 😄