Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Rishav Bansal <bansalrishav047@gmail.com>

CONTRIBUTING.md

@@ -116,8 +116,6 @@ that we're already aware of. It is also worth asking on the Slack channels.
 
 ## Milestones
 
-## Milestones
-
 We use milestones to track progress of specific planned releases.
 
 For example, if the latest currently-released version is `1.2.3`, an issue/PR which pertains to a specific upcoming bugfix or feature release could fall into one of two different active milestones: `1.2.4` (next patch) or `1.3.0` (next minor).