Add ANTHROPIC_API_KEY for notebook runs (#487)

## Problem

Add ANTHROPIC_API_KEY for notebook runs - to coincide with adding secret
to github settings in this repo

## Solution

Describe the approach you took. Link to any relevant bugs, issues, docs,
or other resources.

## Type of Change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] This change requires a documentation update
- [ ] Infrastructure change (CI configs, etc)
- [ ] Non-code change (docs, etc)
- [ ] None of the above: (explain here)

## Test Plan

Describe specific steps for validating this change.

Author: jennapederson

.github/actions/run-notebook/action.yml

@@ -14,6 +14,9 @@ inputs:
   HF_TOKEN:
     description: "The Hugging Face token"
     required: true
+  ANTHROPIC_API_KEY:
+    description: "The Anthropic API key"
+    required: true
 
 runs:
   using: 'composite'
@@ -52,4 +55,5 @@ runs:
       env:
         PINECONE_API_KEY: ${{ inputs.PINECONE_API_KEY }}
         OPENAI_API_KEY: ${{ inputs.OPENAI_API_KEY }}
-        HF_TOKEN: ${{ inputs.HF_TOKEN }}
+        HF_TOKEN: ${{ inputs.HF_TOKEN }}
+        ANTHROPIC_API_KEY: ${{ inputs.ANTHROPIC_API_KEY }}

.github/workflows/test-notebooks-all.yaml

@@ -45,3 +45,4 @@ jobs:
           PINECONE_API_KEY: ${{ secrets.PINECONE_API_KEY }}
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
           HF_TOKEN: ${{ secrets.HF_TOKEN }}
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}

.github/workflows/test-notebooks-changed.yaml

@@ -61,7 +61,8 @@ jobs:
           PINECONE_API_KEY: ${{ secrets.PINECONE_API_KEY }}
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
           HF_TOKEN: ${{ secrets.HF_TOKEN }}
-
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          
   check-links:
     needs:
       - validate-notebooks

learn/generation/traditional-rag/traditional-rag-with-claude-and-hybrid.ipynb

@@ -5,7 +5,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Retrieval-Augmented Generation with hybrid search and Claude\n",
+    "# Retrieval-Augmented Generation with hybrid search and Claude \n",
     "\n",
     "This notebook demonstrates how to implement retrieval-augmented generation (RAG), connecting Anthropic's Claude models with the data in your Pinecone vector database. We will cover the following steps:\n",
     "\n",