[symfony/ai] Fix packages name in post install instructions

Author: lyrixx

symfony/ai-bundle/0.1/post-install.txt

@@ -1,4 +1,4 @@
   * Choose an inference platform and install the corresponding bridge
 
-  * For example <fg=green>OpenAI</> with the <fg=green>symfony/ai-openai-bridge</> package
-    or <fg=green>Anthropic</> with the <fg=green>symfony/ai-anthropic-bridge</> package
+  * For example <fg=green>OpenAI</> with the <fg=green>symfony/ai-open-ai-platform</> package
+    or <fg=green>Anthropic</> with the <fg=green>symfony/ai-anthropic-platform</> package