Update CI workflow to include 'call-native-function'

Author: OpenByteDev

.github/workflows/ci.yml

@@ -94,7 +94,7 @@ jobs:
     strategy:
       matrix:
         toolchain: ["beta"]
-        example: ["run-app", "run-app-with-args", "call-managed-function", "passing-parameters", "return-string-from-managed"]
+        example: ["run-app", "run-app-with-args", "call-native-function", "call-managed-function", "passing-parameters", "return-string-from-managed"]
     steps:
     - uses: actions/checkout@v6
     - name: Install latest ${{ matrix.toolchain }}
@@ -105,6 +105,8 @@ jobs:
       working-directory: ./examples/${{ matrix.example }}/ExampleProject
       run: dotnet build 
     - name: Run example '${{ matrix.example }}'
+      env:
+        RUSTFLAGS: ${{ matrix.example == 'call-native-function' && '-Z export-executable-symbols' || '' }}
       run: cargo run --example ${{ matrix.example }}
 
   documentation: