[v2.3.x] .github/pr_ci: update mac OS workflow

macos-13 is being deprecated
Update to always use latest

Signed-off-by: Alexia Ingerson <[email protected]>
(cherry picked from commit 7c422a2)

Author: aingerson

.github/workflows/pr-ci.yml

@@ -159,7 +159,7 @@ jobs:
     permissions:
       contents: read
       pull-requests: read
-    runs-on: macos-13
+    runs-on: macos-latest
     steps:
       - name: Install dependencies (Mac OS)
         run: |