Update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/BuildDeploy.yml

@@ -30,7 +30,7 @@ jobs:
     environment:
       name: release
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/BuildOnly.yml

@@ -26,7 +26,7 @@ jobs:
     name: windows-latest
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: 'Cache: .nuke/temp, ~/.nuget/packages'