Update dotnet actions (#3175)

Co-authored-by: jennyf19 <jeferrie@microsoft.com>

Author: sebastienros

.github/workflows/aot-check.yml

@@ -23,7 +23,7 @@ jobs:
         fetch-depth: 1
 
     - name: Setup .NET 9.0.x
-      uses: actions/setup-dotnet@v4.1.0
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: 9.0.x
 

.github/workflows/dotnetcore.yml

@@ -24,10 +24,10 @@ jobs:
     name: "Build and run unit tests"
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4.2.1
+      uses: actions/checkout@v4
 
     - name: Setup .NET 9.0.x
-      uses: actions/setup-dotnet@v4.1.0
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: 9.0.x