Update run_unit_tests.yml

.github/workflows/run_unit_tests.yml

@@ -10,14 +10,14 @@ jobs:
     # use ubuntu-latest image to run steps on
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4.1.2
+    - uses: actions/checkout@v4.2.2
 
     # sets up .NET
-    # version can be found here https://dotnet.microsoft.com/en-us/download/dotnet/8.0
+    # version can be found here https://dotnet.microsoft.com/en-us/download/dotnet/9.0
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: '8.0.203'
+        dotnet-version: '9.0.101'
 
     - name: Install wasm-tools
       run: dotnet workload install wasm-tools