chore: update OpenAPI spec from monorepo (#569)

Co-authored-by: OpenRouter SDK Bot <sdk-bot@openrouter.ai>

Author: openrouter-docs-sync[bot]

.speakeasy/in.openapi.yaml

@@ -23970,6 +23970,7 @@ components:
           enum:
             - '480p'
             - '720p'
+            - '768p'
             - '1080p'
             - '1K'
             - '2K'
@@ -24150,6 +24151,7 @@ components:
             enum:
               - '480p'
               - '720p'
+              - '768p'
               - '1080p'
               - '1K'
               - '2K'
@@ -24174,16 +24176,24 @@ components:
               - '720x1080'
               - '720x1280'
               - '720x1680'
+              - '768x768'
+              - '768x1024'
+              - '768x1152'
+              - '768x1366'
+              - '768x1792'
               - '854x480'
               - '960x720'
+              - '1024x768'
               - '1080x720'
               - '1080x1080'
               - '1080x1440'
               - '1080x1620'
               - '1080x1920'
               - '1080x2520'
               - '1120x480'
+              - '1152x768'
               - '1280x720'
+              - '1366x768'
               - '1440x1080'
               - '1440x1440'
               - '1440x1920'
@@ -24192,6 +24202,7 @@ components:
               - '1440x3360'
               - '1620x1080'
               - '1680x720'
+              - '1792x768'
               - '1920x1080'
               - '1920x1440'
               - '2160x1440'