Bump to v1.3.0, update changelog

[luandy64]

Description of change

Bump to v1.3.0, update changelog

1.3.0

• Add the Forms stream #29
• Add integration tests #32
• Add unit test for exception handling #33
• Add config validation to ensure only valid forms are input by the user #34
• Fix a bug in the bookmarks test #36

Manual QA steps

See the following PRs

• 29

• 32

• 33

• 34

• 36

Risks

See the following PRs

• 29

• 32

• 33

• 34

• 36

Rollback steps

• revert the code and bump the version

[austin-e]

This has broken Stitch -> Typeform for me. Getting the below error.

403 Client Error: Forbidden for url: https://api.typeform.com/forms/{formID}

Confirmed on postman it was not a TypeForm issue