Fix build

Install latest .NET SDK, bump actions and use Node v20.

.github/workflows/build.yml

@@ -4,9 +4,9 @@ on:
   push:
     branches: [ dev ]
     paths-ignore:
-    - '**/*.gitattributes'
-    - '**/*.gitignore'
-    - '**/*.md'
+      - '**/*.gitattributes'
+      - '**/*.gitignore'
+      - '**/*.md'
   pull_request:
     branches: [ dev ]
   workflow_dispatch:
@@ -25,18 +25,18 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Setup Node
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
-        node-version: '18.x'
+        node-version: '20.x'
 
     - name: Install packages
       run: |
         npm ci
 
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: '8.0.100'
+        dotnet-version: '8.0.204'
 
     - name: Test
       run: |