Update run-tests.yaml (#2835)

Author: timcassell

.github/workflows/run-tests.yaml

@@ -99,7 +99,7 @@ jobs:
           - runs-on: 'macos-latest'
             jsvu-os: 'mac64arm'
             arch: 'arm64'
-          - runs-on: 'macos-13'
+          - runs-on: 'macos-15-intel'
             jsvu-os: 'mac64'
             arch: 'x64'
     steps: