feat(together-ai): add new models [bot] (#940)

* feat(together-ai): add new models [bot]

* feat(together-ai): update model YAMLs [bot]

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: harshiv-26

providers/together-ai/pixverse/pixverse-v6.yaml

@@ -0,0 +1,17 @@
+costs:
+    - input_cost_per_token: 0.0 # not found in official docs
+      output_cost_per_token: 0.0 # not found in official docs
+      region: "*"
+modalities:
+    input:
+        - text
+        - image
+    output:
+        - video
+        - audio
+mode: video
+model: pixverse/pixverse-v6
+provisioning: serverless
+status: active
+supportedModes:
+    - video

providers/together-ai/xai/grok-imagine-image-pro.yaml

@@ -0,0 +1,14 @@
+costs:
+    - input_cost_per_token: 0.0
+      output_cost_per_token: 0.0
+      region: "*"
+modalities:
+    input:
+        - text
+    output:
+        - image
+mode: image
+model: xai/grok-imagine-image-pro
+provisioning: serverless
+supportedModes:
+    - image