Update deps

Fix tests and update deps. (#7)

Fix tests and update deps. 

* Body hash should not be included with Access Token or Request Token requests.

https://datatracker.ietf.org/doc/html/draft-eaton-oauth-bodyhash-00#when_to_include

Partial revert of 0a10983a3c29e474579f353421b3c5f7353bd534

* Fix transport_test.go

* Update deps.

* Add workflow yaml.
Based on dghubble master.

* Add cloudbuild.yaml

LTI CIM support

Merge pull request #6 from ribrdb/lti-cim

Add a method to sign a form for LTI launches.

v0.6.4: Merge pull request #5 from wbhumphrey/master

Allow apps to generate a signatureBase directly

Fix for oauth_body_hash

Previous release would update the signature to account for oauth_body_hash parameter, but not actually insert into final Authorization header. This release includes a bugfix to correct that mistake.

LTI w/ Body Hash fix

Merge pull request #3 from aparkins/master

Fix error from earlier oauthBodyHash commit

v0.6.0

LTI support

LTI support w/o body hash

Merge pull request #1 from ribrdb/validator

Add basic signature validation as needed for LTI.