ClosedXML Version Updated

[travispotterBH]

Issues addressed by this PR

Closes #57

Test files

Changelog

Additional comments

[travispotterBH]

@BHoMBot check core
@BHoMBot check installer

[bhombot-ci]

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

• check core
• check installer

[FraserGreenroyd]

@BHoMBot check versioning
@BHoMBot check compliance

[bhombot-ci]

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

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

[FraserGreenroyd]

@BHoMBot check null-handling
@BHoMBot check serialisation

[bhombot-ci]

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

• check null-handling
• check serialisation

[FraserGreenroyd]

Approving based on this review

[FraserGreenroyd]

@BHoMBot check ready-to-merge

[bhombot-ci]

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

• check ready-to-merge