ci: Replace deprecated macos-13 runner with macos-15-intel

Author: sidcha

.github/workflows/create-release.yml

@@ -18,8 +18,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        # macos-13 is an intel runner, macos-14 is apple silicon
-        os: [ubuntu-latest, macos-13, macos-14, windows-latest]
+        # macos-15-intel is an intel runner, macos-14 is apple silicon
+        os: [ubuntu-latest, macos-15-intel, macos-14, windows-latest]
     steps:
     - uses: actions/checkout@v4
       with:

.github/workflows/cross-plaform-build.yml

@@ -15,8 +15,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        # macos-13 is an intel runner, macos-14 is apple silicon
-        os: [ubuntu-latest, macos-13, macos-14, windows-latest]
+        # macos-15-intel is an intel runner, macos-14 is apple silicon
+        os: [ubuntu-latest, macos-15-intel, macos-14, windows-latest]
     steps:
     - uses: actions/checkout@v4
       with: