v1.4.0

This release migrates the test suite to use Vitest, and adds a bunch of new utilities:

For border colors:

• mso-border-alt
• mso-border-between
• mso-border-bottom-alt
• mso-border-left-alt
• mso-border-right-alt
• mso-border-top-alt

For border widths:

• mso-border-between-width
• mso-border-width-alt
• mso-border-bottom-width-alt
• mso-border-left-width-alt
• mso-border-right-width-alt
• mso-border-top-width-alt

Other border-related utilities:

• mso-border-bottom-source
• mso-border-left-source
• mso-border-right-source
• mso-border-top-source
• mso-border-shadow
• mso-border-effect

Other utilities:

• mso-shadow-color

Commit highlights:

• feat: add mso-shadow-color utility f5f3a23
• feat: add mso-border utilities e054f1b
• ci: add dependabot config b564bed
• test: migrate to vitest 123abdd

v1.3.0...v1.4.0