docs(blog): update software version to 0.20.0 in blog schema

Entire-Checkpoint: c6e522b4276c

apps/website/src/pages/index.astro

@@ -35,7 +35,7 @@ const homeSchema = [
     name: 'IPTVnator',
     applicationCategory: 'MultimediaApplication',
     operatingSystem: 'Windows, macOS, Linux, Web',
-    softwareVersion: '0.19.0',
+    softwareVersion: '0.20.0',
     url: 'https://4gray.github.io/iptvnator/',
     downloadUrl: 'https://github.com/4gray/iptvnator/releases/latest',
     author: {