build: bump actions to v4

Author: Scoolnik

.github/workflows/dotnet_nightly.yml

@@ -16,7 +16,7 @@ jobs:
       # Setup
 
       - name: Checkout latest
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
       - name: Checkout private tools
@@ -26,7 +26,7 @@ jobs:
             token: ${{ secrets.NR_INTEROP_TOKEN }}
             path: NR_INTEROP
       - name: Setup dotnet
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: "6.x"
       # Run build script