Use macOS 13 (#2488)

* update to macos-13

.github/workflows/build.yml

@@ -35,7 +35,7 @@ jobs:
             artifact_name: capa.exe
             asset_name: windows
             python_version: '3.10'
-          - os: macos-12
+          - os: macos-13
             # use older macOS for assumed better portability
             artifact_name: capa
             asset_name: macos

.github/workflows/tests.yml

@@ -88,7 +88,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, windows-2019, macos-12]
+        os: [ubuntu-20.04, windows-2019, macos-13]
         # across all operating systems
         python-version: ["3.10", "3.11"]
         include: