do not use tag number to create build which causes appveyor to publish release

.github/workflows/dotnet.yml

@@ -21,13 +21,9 @@ jobs:
     env:
       FlowVersion: 1.17.2
       NUGET_CERT_REVOCATION_MODE: offline
+      BUILD_NUMBER: ${{ github.run_number }}
     steps:
       - uses: actions/checkout@v4
-      - name: Generate build number
-        id: buildnumber
-        uses: onyxmueller/build-tag-number@v1
-        with:
-          token: ${{secrets.github_token}}
       - name: Set Flow.Launcher.csproj version
         id: update
         uses: vers-one/dotnet-project-version-updater@v1.5