Update GitHub Actions to fix Node.js 20 deprecation warnings

- actions/checkout@v4 → @v6 (Node.js 24 support)
- microsoft/setup-msbuild@v2 → @v3 (Node.js 24 support)
- Add FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true env for softprops/action-gh-release@v2,
  actions/upload-artifact@v4, and actions/download-artifact@v4

Agent-Logs-Url: https://github.com/sjackson0109/rdpwrap/sessions/6bd972e4-d369-4b43-bbe0-ea754bc00662

Co-authored-by: sjackson0109 <38080190+sjackson0109@users.noreply.github.com>

.github/workflows/build-cpp.yml

@@ -7,6 +7,9 @@ on:
       - 'v*'
   workflow_dispatch:
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 permissions:
   contents: write
 
@@ -20,10 +23,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup MSBuild
-        uses: microsoft/setup-msbuild@v2
+        uses: microsoft/setup-msbuild@v3
 
       # Override the v120 platform toolset with the VS 2022 toolset (v143).
       # The rdpwrap C++ source is standard Win32 API code and compiles cleanly

.github/workflows/publish-ini.yml

@@ -8,6 +8,9 @@ on:
       - '.github/workflows/publish-ini.yml'
   workflow_dispatch:
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 permissions:
   contents: write
 
@@ -17,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # ── Extract the date string used for tagging and the updated field ──────
       - name: Get release metadata