add evals tag to evals-api cookbooks (openai#1964)

Author: imran-binhasan

registry.yaml

@@ -25,7 +25,7 @@
   authors:
     - daisyshe-oai
   tags:
-    - evals-api
+    - evals
     - images
 
 - title: Optimize Prompts
@@ -225,7 +225,7 @@
   authors:
     - josiah-openai
   tags:
-    - evals-api
+    - evals
     - completions
 
 - title: Evals API Use-case - Bulk model and prompt experimentation
@@ -234,7 +234,7 @@
   authors:
     - josiah-openai
   tags:
-    - evals-api
+    - evals
     - completions
 
 - title: Evals API Use-case - Monitoring stored completions
@@ -243,7 +243,7 @@
   authors:
     - josiah-openai
   tags:
-    - evals-api
+    - evals
     - completions
 
 - title: Evals API Use-case - Responses Evaluation
@@ -252,7 +252,7 @@
   authors:
     - willhath-openai
   tags:
-    - evals-api
+    - evals
     - responses
 
 - title: Multi-Tool Orchestration with RAG approach using OpenAI's Responses API