ci: update workflow for .NET 10 and multi-targeting

- Upgrade dotnet-version from 3.1.x to 10.0.x
- Update actions/checkout from v2 to v4
- Update actions/setup-dotnet from v1 to v4
- Switch to ubuntu-latest for faster builds
- Fix path separators for cross-platform compatibility

Author: arafattehsin

.github/workflows/nuget.yml

@@ -5,31 +5,31 @@ on:
     types: [closed]
 
 env:
-  PROJECT_PATH: 'SentimentAnalyzer/SentimentAnalyzer.csproj'
-  PACKAGE_OUTPUT_DIRECTORY: ${{ github.workspace }}\output
-  NUGET_SOURCE_URL: 'https://api.nuget.org/v3/index.json'
+  PROJECT_PATH: "SentimentAnalyzer/SentimentAnalyzer.csproj"
+  PACKAGE_OUTPUT_DIRECTORY: ${{ github.workspace }}/output
+  NUGET_SOURCE_URL: "https://api.nuget.org/v3/index.json"
 
 jobs:
   merge-PR:
     if: github.event.pull_request.merged == true
-    runs-on: 'windows-latest'
+    runs-on: "ubuntu-latest"
     steps:
-    - name: 'Checkout'
-      uses: actions/checkout@v2
+      - name: "Checkout"
+        uses: actions/checkout@v4
 
-    - name: 'Install dotnet'
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: '3.1.x'
+      - name: "Install dotnet"
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: "10.0.x"
 
-    - name: 'Restore packages'
-      run: dotnet restore ${{ env.PROJECT_PATH }}
+      - name: "Restore packages"
+        run: dotnet restore ${{ env.PROJECT_PATH }}
 
-    - name: 'Build project'
-      run: dotnet build ${{ env.PROJECT_PATH }} --no-restore --configuration Release
+      - name: "Build project"
+        run: dotnet build ${{ env.PROJECT_PATH }} --no-restore --configuration Release
 
-    - name: 'Pack project'
-      run: dotnet pack ${{ env.PROJECT_PATH }} --no-restore --no-build --configuration Release --output ${{ env.PACKAGE_OUTPUT_DIRECTORY }}
+      - name: "Pack project"
+        run: dotnet pack ${{ env.PROJECT_PATH }} --no-restore --no-build --configuration Release --output ${{ env.PACKAGE_OUTPUT_DIRECTORY }}
 
-    - name: 'Push package'
-      run: dotnet nuget push ${{ env.PACKAGE_OUTPUT_DIRECTORY }}\*.nupkg -k ${{ secrets.NUGET_AUTH_TOKEN }} -s ${{ env.NUGET_SOURCE_URL }}
+      - name: "Push package"
+        run: dotnet nuget push ${{ env.PACKAGE_OUTPUT_DIRECTORY }}/*.nupkg -k ${{ secrets.NUGET_AUTH_TOKEN }} -s ${{ env.NUGET_SOURCE_URL }}