ci: add CI for macos-15-intel images (#712)

* Add missing macos-15-intel for CI template

* Add macos-15-intel for repo

Author: agriyakhetarpal

.github/workflows/reusable-cookie.yml

@@ -25,7 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.10", "3.14"]
-        runs-on: [ubuntu-latest, windows-latest, macos-latest]
+        runs-on: [ubuntu-latest, windows-latest, macos-latest, macos-15-intel]
 
         include:
           - python-version: pypy-3.11

.github/workflows/reusable-rr-tests.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.10", "3.12", "3.14"]
-        runs-on: [ubuntu-latest, macos-latest, windows-latest]
+        runs-on: [ubuntu-latest, macos-latest, macos-15-intel, windows-latest]
 
     steps:
       - uses: actions/checkout@v6

{{cookiecutter.project_name}}/.github/workflows/ci.yml

@@ -45,7 +45,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.10", "3.14"]
-        runs-on: [ubuntu-latest, windows-latest, macos-latest]
+        runs-on: [ubuntu-latest, windows-latest, macos-latest, macos-15-intel]
 
         include:
           - python-version: "pypy-3.11"