use macos-latest

Author: qno

.github/workflows/build-plugin.yml

@@ -62,7 +62,7 @@ jobs:
   build-mac:
     name: mac
     needs: modify-plugin-version
-    runs-on: macos-10.15
+    runs-on: macos-latest
     steps:
       - uses: actions/checkout@v3
         with: