Add macos-15-intel as replacement for macos-13 (#651)

See actions/runner-images#9254
See https://github.blog/changelog/2025-09-19-github-actions-macos-13-runner-image-is-closing-down/

Author: gesellix

.github/workflows/cd.yml

@@ -20,8 +20,6 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-        #          - windows-latest
-        #          - macos-latest
         java:
           - '21'
     runs-on: ${{ matrix.os }}

.github/workflows/ci.yml

@@ -22,8 +22,7 @@ jobs:
         os:
           - ubuntu-latest
           - windows-latest
-          # pinned to macos-13 due to https://github.com/actions/runner-images/issues/9254
-          - macos-13
+          - macos-15-intel
         java:
           - '21'
     runs-on: ${{ matrix.os }}
@@ -40,7 +39,7 @@ jobs:
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v5
       - name: Install Docker on macOS
-        if: matrix.os == 'macos-13'
+        if: matrix.os == 'macos-15-intel'
         uses: douglascamata/setup-docker-macos-action@v1.0.1
       - name: Login to Docker Hub
         uses: docker/login-action@v3

.github/workflows/release.yml

@@ -22,8 +22,6 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-        #          - windows-latest
-        #          - macos-latest
         java:
           - '21'
     runs-on: ${{ matrix.os }}