Change section title in Changelog

Update the change log to read "Major Changes" instead of "Features" since there were no new features for this release.

Validation

[x] I confirm that my contribution is made under the terms of the Apache 2.0 license.
[ ] I have run pnpm checks to ensure code compiles and meets standards.
[ ] I have run pnpm test to check if all tests are passing.
[ ] I have covered new added functionality with unit tests if necessary.
[ ] I have added an entry in the Changelog.md.