Fix version-suffix being set for releases

Author: bdukes

.github/workflows/ci.yml

@@ -17,9 +17,6 @@
             "shell": "pwsh"
         }
     },
-    "env": {
-        "VERSION_SUFFIX": "alpha-${{ github.run_number }}"
-    },
     "jobs": {
         "build": {
             "strategy": {
@@ -55,6 +52,11 @@
                     "name": "Restore NuGet packages",
                     "run": "dotnet restore --locked-mode"
                 },
+                {
+                    "name": "Set version suffix",
+                    "if": "github.event_name != 'release' || github.event.action != 'created'",
+                    "run": "'VERSION_SUFFIX=alpha-${{ github.run_number }} >> $env:GITHUB_ENV"
+                },
                 {
                     "name": "Build",
                     "run": "dotnet build EngageSoftware.Dnn.Logging.sln --no-restore --configuration ${{ matrix.configuration }} -p:VersionSuffix=${{ env.VERSION_SUFFIX }}"