ci: update actions/checkout to v4 [skip ci]

Author: guitarrapc

.github/workflows/build-debug.yaml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: Cysharp/Actions/.github/actions/setup-dotnet@main
       - run: dotnet build -c Debug
       #- run: dotnet test -c Debug --no-build
@@ -38,7 +38,7 @@ jobs:
           UNITY_PASSWORD: "op://GitHubActionsPublic/UNITY_LICENSE/credential"
           UNITY_SERIAL: "op://GitHubActionsPublic/UNITY_LICENSE/serial"
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # Execute scripts: Export Package
       #  /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -projectPath . -executeMethod PackageExporter.Export
       - name: Build Unity (.unitypacakge)

.github/workflows/build-release.yaml

@@ -27,7 +27,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - run: echo ${{ needs.update-packagejson.outputs.sha }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ needs.update-packagejson.outputs.sha }}
       - uses: Cysharp/Actions/.github/actions/setup-dotnet@main
@@ -61,7 +61,7 @@ jobs:
           UNITY_SERIAL: "op://GitHubActionsPublic/UNITY_LICENSE/serial"
 
       - run: echo ${{ needs.update-packagejson.outputs.sha }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ needs.update-packagejson.outputs.sha }}