Merge pull request #507 from malkia/renovate/macos-15.x

Update dependency macos to v15

Author: malkia

.github/workflows/cmake_install.yml

@@ -257,7 +257,7 @@ jobs:
 
   macos_14_conan_stable:
     name: macOS 14 conan stable versions cxx17 (static libs)
-    runs-on: macos-14
+    runs-on: macos-15
     env:
       INSTALL_TEST_DIR: '/Users/runner/install_test'
       CXX_STANDARD: '17'
@@ -291,7 +291,7 @@ jobs:
 
   macos_14_brew_packages:
     name: macOS 14 brew latest versions cxx17 (static libs)
-    runs-on: macos-14
+    runs-on: macos-15
     env:
       INSTALL_TEST_DIR: '/Users/runner/install_test'
       CXX_STANDARD: '17'