Update ci.yml

Author: GlebChili

.github/workflows/ci.yml

@@ -1,6 +1,11 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push: {}
+  release:
+    types: [published]
+  
 
 env:
   DOTNET_SDK_VERSION: '6.0.100-preview.5.21302.13'
@@ -103,4 +108,20 @@ jobs:
       - name: Check tests success
         working-directory: ./gmod/
         shell: bash
-        run: cat test-success.txt
+        run: cat test-success.txt
+
+  deploy:
+    runs-on: ubuntu-20.04
+
+    needs: [linux-test, windows-test]
+
+    if: ${{ github.event_name != 'pull_request' && github.repository_owner == 'GmodNET' }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2.0.0
+
+      - name: Install .NET SDK
+        uses: actions/setup-dotnet@v1.7.2
+        with:
+          dotnet-version: ${{ env.DOTNET_SDK_VERSION }}