Fix up release notes file

Bug: skia:
Change-Id: I124abbb54f13e70e5d9c6a71f43cea5adf0ce49a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/250038
Auto-Submit: Heather Miller <hcm@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
1 file changed