docs: add/update OpenAPI spec pixverse-v5-5-text-to-video

Author: D1m7asis

docs/api-references/video-models/PixVerse/pixverse-v5-5-text-to-video.json

@@ -39,7 +39,7 @@
   },
   "openapi": "3.0.0",
   "info": {
-    "title": "PixVerse v5.5 — Text to Video - AI/ML API",
+    "title": "PixVerse V5.5 — Text to Video - AI/ML API",
     "description": "PixVerse v5.5 Text-to-Video is a text-to-video generation model that produces high-quality clips up to 1080p with improved frame stability, audio support, and lip-sync, suitable for ads, animation, and short videos.",
     "version": "1.0",
     "contact": {}