Update Artifactory workflow (#381)

Author: tinder-cfuller

.github/workflows/artifactory.yml

@@ -5,20 +5,20 @@ on:
     tags: ['[0-9]+.[0-9]+.[0-9]+']
 
 env:
-  DEVELOPER_DIR: /Applications/Xcode_15.0.app/Contents/Developer
+  DEVELOPER_DIR: /Applications/Xcode_15.4.app/Contents/Developer
 
 jobs:
   artifactory:
     name: Artifactory
-    runs-on: macos-13
+    runs-on: macos-latest
     concurrency:
       group: ${{ github.ref_name }}
       cancel-in-progress: true
     steps:
     - name: Install dependencies
       run: brew install jfrog-cli
     - name: Checkout source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Build documentation
       run: |
         make docs open="no" DERIVED_DATA_PATH="$(mktemp -d)"