CI - push nuget only on tag

.github/workflows/build.yml

@@ -0,0 +1,14 @@
+name: Build
+
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Clone
+        uses: actions/checkout@v3
+
+      - name: Build
+        run: dotnet build src

.github/workflows/nuget.yml

@@ -2,15 +2,15 @@ name: Publish
 
 on: 
   push:
-    branches:
-      - master
+      tags:
+      - '*'
 
 jobs:
   push:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Setup .NET 6.0
+      - name: Setup .NET
         uses: actions/setup-dotnet@v1
         with:
           dotnet-version: '7.0.x'