Upgrade GitHub Actions to Node.js 24-compatible versions (#67)

* Initial plan

* Update GitHub Actions to Node.js 24 compatible versions

Agent-Logs-Url: https://github.com/304NotModified/SLNX-validator/sessions/2730fc6e-cede-4b27-ab9e-e070521987eb

Co-authored-by: 304NotModified <5808377+304NotModified@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: 304NotModified <5808377+304NotModified@users.noreply.github.com>

Author: Copilot

.github/workflows/build.yml

@@ -15,10 +15,10 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 10.0.x
 

.github/workflows/sonarcloud.yml

@@ -16,12 +16,12 @@ jobs:
       pull-requests: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 10.0.x