GHA: fix some deprecation warnings by updating actions

The following actions uses Node.js version which is deprecated and will be forced to run on node20: actions/checkout@v3, nuget/setup-nuget@v1, actions/setup-dotnet@v3, actions/setup-java@v3, actions/upload-artifact@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

The following artifacts were uploaded using a version of actions/upload-artifact that is scheduled for deprecation: "nupkg".
Please update your workflow to use v4 of the artifact actions.
Learn more: https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

Author: janusw

.github/workflows/dotnet.yml

@@ -13,16 +13,16 @@ jobs:
   winBuild:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-    - uses: nuget/setup-nuget@v1
+    - uses: nuget/setup-nuget@v2
     - name: Setup .NET
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: 8.0.x
     - name: Set up JDK 11
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         distribution: 'temurin'
         java-version: '11'
@@ -37,19 +37,19 @@ jobs:
     - name: Build sample
       run: dotnet build ./Source/OxyplotMauiSample/OxyplotMauiSample.csproj /p:Configuration=Release /t:restore,build /p:Version=$(git describe) /p:ContinuousIntegrationBuild=true /p:DeterministicSourcePaths=false
     - name: Upload packages
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: nupkg
         path: ./Source/*/nuget/*.nupkg
 
   macBuild:
     runs-on: macos-13
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Setup .NET
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: 8.0.x
     - name: Setup XCode