Replace macOS-13 with macOS-14 runner

macOS-13 has been retired, using macOS-14 for Intel Mac support.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

Author: rathboma

.github/workflows/electron.yml

@@ -19,7 +19,7 @@ jobs:
           - os: macos-latest
             electron-version: '39.2.7'
           # macOS x64 (Intel)
-          - os: macos-13
+          - os: macos-14
             electron-version: '39.2.7'
           # Linux x64
           - os: ubuntu-latest

.github/workflows/nodejs.yml

@@ -18,7 +18,7 @@ jobs:
           - os: macos-latest
             node-version: 22.x
           # macOS x64 (Intel)
-          - os: macos-13
+          - os: macos-14
             node-version: 22.x
           # Linux x64
           - os: ubuntu-latest