ci: address Copilot review comments (YAML runs-on placement, newline escapes, release if/fi, secret if syntax)

Author: ooples

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ run: dotnet restore AiDotNet.sln
           dotnet tool update -g dotnet-format || dotnet tool install -g dotnet-format
           export PATH="$PATH:$HOME/.dotnet/tools"
           dotnet format AiDotNet.sln --verify-no-changes || (echo "Run 'dotnet format' locally to fix style issues." && exit 1)
-build:
+  build:
   name: Build
   strategy:
     matrix:
@@ -179,3 +179,4 @@ run: dotnet restore AiDotNet.sln
           retention-days: 7
 
 
+

.github/workflows/release.yml

@@ -49,7 +49,7 @@ jobs:
         run: |
           if [ -f "src/AiDotNet.csproj" ]; then
             dotnet pack src/AiDotNet.csproj -c Release -o out /p:PackageVersion=${{ steps.version.outputs.version }}
-      - name: Verify TFMs in package (net46, net6.0, net8.0)
+          fi\n\n      - name: Verify TFMs in package (net46, net6.0, net8.0)
         run: |
           set -e
           shopt -s nullglob
@@ -79,7 +79,7 @@ jobs:
     name: Publish to NuGet
     runs-on: ubuntu-latest
     needs: build-test-pack
-    if: ${{ secrets.NUGET_API_KEY != '' }}
+    if: secrets.NUGET_API_KEY != ''
     steps:
       - name: Download package
         uses: actions/download-artifact@v4
@@ -110,3 +110,4 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+