CI: Upgrade actions/checkout to v4

.github/workflows/build-app-wxpython.yml

@@ -25,7 +25,7 @@ jobs:
       ANALYTICS_SITE: ${{ secrets.ANALYTICS_SITE }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Build Binary
         run: /Library/Frameworks/Python.framework/Versions/3.11/bin/python3 Build-Binary.command --reset_binaries --branch "${{ env.branch }}" --commit "${{ env.commiturl }}" --commit_date "${{ env.commitdate }}" --key "${{ env.ANALYTICS_KEY }}" --site "${{ env.ANALYTICS_SITE }}"

.github/workflows/build-site.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           node-version: '12'
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: '0'
           persist-credentials: false

.github/workflows/validate-external.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: macos-latest
     if: github.repository_owner != 'dortania'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Python
         uses: actions/setup-python@v2
         with:

.github/workflows/validate.yml

@@ -12,6 +12,6 @@ jobs:
     runs-on: x86_64_monterey
     if: github.repository_owner == 'dortania'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Validate
         run: /Library/Frameworks/Python.framework/Versions/3.11/bin/python3 OpenCore-Patcher-GUI.command --validate