This is a patch release improving compatibility with different spreadsheet formats.

Closed issues:

• Cannot initialize SchemaType from invalid String value extendedProperties (#145)
• Cannot initialize SchemaType from invalid String value workbookmetadata (#142)

Merged pull requests:

• Update dependencies (#147) via @ie-ahm-robox
• Add purl.oclc.org relationship schema type (#146) via @MaxDesiatov
• Add googleWorkbookMetadata case to relationships (#143) via @MaxDesiatov
• Add Xcode 12.3 to the test.yml workflow (#144) via @MaxDesiatov
• Add Xcode 12.4 to the test.yml workflow (#149) via @MaxDesiatov