Merge 8 release notes into RELEASE_NOTES.md

Cherry pick change I2647fd2817041ebd02e686ec21f21e995d1924b7 from branch chrome/m130
to main.

Change-Id: I9f93b135c5f6cd7e346cd1991ada6005934ab520
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/900277
Reviewed-by: Heather Miller <hcm@google.com>
9 files changed