Ecommerce version bump 1.3.21

[ramyakrishnai]

Proposed changes

Fix failing test by @circlecube in newfold-labs/wp-module-ecommerce#207
Added hooks to add Email Address and Phone number fields to the Shipping form by @mamatharao05 in newfold-labs/wp-module-ecommerce#208
Fix failing tests from home and store page by @sangeetha-nayak in newfold-labs/wp-module-ecommerce#209
Updated the package.json with 1.3.21 by @ramyakrishnai in newfold-labs/wp-module-ecommerce#210

Type of Change

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• Linting and tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

[circlecube]

Thank you, this was included in the release PR #927