v1.4.0

Changes

• chore: update express-openapi-validator to v5
• chore: update google-github-actions to v1
• chore: refactor env check and add google-auth
• chore: add env var checks to mocha-tests
• chore: migrate GitHub Actions from ::set-output to new format
• chore: migrate to new google-github-actions/auth authentication
• fix: decouple logger init from config loading

Compare to previous Version: v1.3.9...v1.4.0