Update dependency macos to v15 (#433)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
       matrix:
         environment:
           - name: macos
-            image: macos-14
+            image: macos-15
           - name: linux
             image: ubuntu-24.04
           - name: windows