Feature/pjh 100 update gadget deploy

[porhkz]

Description of the proposed changes

• Updated Gadget workflow with api key for testing as per https://docs.gadget.dev/guides/environments/ci-cd#automated-testing
• Updated Shopify workflow with suggested flag for CICD as per https://shopify.dev/docs/api/shopify-cli/app/app-deploy#flags-propertydetail-fforce

Screenshots (if applicable)

• N/A

Other solutions considered (if any)

• N/A

Notes to PR author

• N/A

⚠️ Please make sure the changes adhere to the guidelines mentioned in our contribution guide.

Notes to reviewers

ℹ️ When you've finished leaving feedback, please add a final comment to the PR tagging the author, letting them know that you have finished leaving feedback

[aaronmedina-dev]

LGTM