Add PDF capabilities to OpenAI vision capable models

As every OpenAI model with vision capabilities also support PDF input,
as per docs:

https://platform.openai.com/docs/guides/pdf-files?api-mode=responses

Author: paulinevos

src/platform/src/Bridge/OpenAi/ModelCatalog.php

@@ -60,6 +60,7 @@ public function __construct(array $additionalModels = [])
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,
                     Capability::INPUT_IMAGE,
+                    Capability::INPUT_PDF,
                 ],
             ],
             'gpt-4o' => [
@@ -69,6 +70,7 @@ public function __construct(array $additionalModels = [])
                     Capability::OUTPUT_TEXT,
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,
+                    Capability::INPUT_PDF,
                     Capability::INPUT_IMAGE,
                     Capability::OUTPUT_STRUCTURED,
                 ],
@@ -81,6 +83,7 @@ public function __construct(array $additionalModels = [])
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,
                     Capability::INPUT_IMAGE,
+                    Capability::INPUT_PDF,
                     Capability::OUTPUT_STRUCTURED,
                 ],
             ],
@@ -136,6 +139,7 @@ public function __construct(array $additionalModels = [])
                     Capability::OUTPUT_TEXT,
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,
+                    Capability::INPUT_PDF,
                     Capability::INPUT_IMAGE,
                     Capability::OUTPUT_STRUCTURED,
                 ],
@@ -148,6 +152,7 @@ public function __construct(array $additionalModels = [])
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,
                     Capability::INPUT_IMAGE,
+                    Capability::INPUT_PDF,
                     Capability::OUTPUT_STRUCTURED,
                 ],
             ],
@@ -159,6 +164,7 @@ public function __construct(array $additionalModels = [])
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,
                     Capability::INPUT_IMAGE,
+                    Capability::INPUT_PDF,
                     Capability::OUTPUT_STRUCTURED,
                 ],
             ],
@@ -170,6 +176,7 @@ public function __construct(array $additionalModels = [])
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,
                     Capability::INPUT_IMAGE,
+                    Capability::INPUT_PDF,
                     Capability::OUTPUT_STRUCTURED,
                 ],
             ],
@@ -181,6 +188,7 @@ public function __construct(array $additionalModels = [])
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,
                     Capability::INPUT_IMAGE,
+                    Capability::INPUT_PDF,
                     Capability::OUTPUT_STRUCTURED,
                 ],
             ],
@@ -191,12 +199,14 @@ public function __construct(array $additionalModels = [])
                     Capability::OUTPUT_TEXT,
                     Capability::OUTPUT_STREAMING,
                     Capability::INPUT_IMAGE,
+                    Capability::INPUT_PDF,
                 ],
             ],
             'gpt-5-mini' => [
                 'class' => Gpt::class,
                 'capabilities' => [
                     Capability::INPUT_MESSAGES,
+                    Capability::INPUT_PDF,
                     Capability::OUTPUT_TEXT,
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,
@@ -208,6 +218,7 @@ public function __construct(array $additionalModels = [])
                 'class' => Gpt::class,
                 'capabilities' => [
                     Capability::INPUT_MESSAGES,
+                    Capability::INPUT_PDF,
                     Capability::OUTPUT_TEXT,
                     Capability::OUTPUT_STREAMING,
                     Capability::TOOL_CALLING,