[Chapel Merge] Annotate GASNet upgrade in performance graphs

Branch: refs/heads/main
Revision: 292eb11
Author: e-kayrakli
Log Message:

Merge pull request #18304 from e-kayrakli/perf-ann

Annotate GASNet upgrade in performance graphs

Annotates the changes we've seen after #18243.

[Trivial, not reviewed]

Modified Files:
M test/ANNOTATIONS.yaml

Compare: https://github.com/chapel-lang/chapel/compare/2b2b9163e36b...292eb11c28b2