Swap macos-13 with macos-15-intel GHA runner in CI (#19025)

Author: anoadragon453

.github/workflows/release-artifacts.yml

@@ -114,8 +114,8 @@ jobs:
         os:
           - ubuntu-24.04
           - ubuntu-24.04-arm
-          - macos-13 # This uses x86-64
           - macos-14 # This uses arm64
+          - macos-15-intel # This uses x86-64
         # is_pr is a flag used to exclude certain jobs from the matrix on PRs.
         # It is not read by the rest of the workflow.
         is_pr:
@@ -124,7 +124,7 @@ jobs:
         exclude:
           # Don't build macos wheels on PR CI.
           - is_pr: true
-            os: "macos-13"
+            os: "macos-15-intel"
           - is_pr: true
             os: "macos-14"
           # Don't build aarch64 wheels on PR CI.

changelog.d/19025.misc

@@ -0,0 +1 @@
+Swap near-end-of-life `macos-13` GitHub Actions runner for the `macos-15-intel` variant.