Release-7.7.0_RC1

What's Changed

• SBCOSS-402: Fixed critical vulnerabilities in sunbird echo service by @Deeksha1502 in #4
• SBCOSS-403: Added GitHub Actions to Sunbird Echo Service by @Deeksha1502 in #5

New Contributors

• @Deeksha1502 made their first contribution in #4

Full Changelog: master-RC1...Release-7.7.0_RC1