Fixed FileEncrypt path

Author: Ahmad Noman Musleh

.github/workflows/publish_nuget_package_prereleased.yml

@@ -33,7 +33,7 @@ jobs:
       run: dotnet build ./src/OpenAPI.Net/OpenAPI.Net.csproj --configuration Release --no-restore
 
     - name: Decrypt Certificate
-      run: FileEncrypt decrypt .\certificate.pfx.encrypted ${{secrets.CERTIFICATE_DECRYPTION_KEY}} ${{secrets.CERTIFICATE_DECRYPTION_IV}}
+      run: .\FileEncrypt decrypt .\certificate.pfx.encrypted ${{secrets.CERTIFICATE_DECRYPTION_KEY}} ${{secrets.CERTIFICATE_DECRYPTION_IV}}
 
     - name: Sign Package
       run: nuget sign **\*.nupkg -CertificatePath certificate.pfx -Timestamper http://timestamp.digicert.com/ -CertificatePassword ${{secrets.CERTIFICATE_PASSWORD}} -NonInteractive