ci(repo): enable snapi AI reviewer (#8674)

Author: jacekradko

.changeset/snapi-enable-ai-reviewer.md

@@ -0,0 +1,2 @@
+---
+---

.github/workflows/api-changes.yml

@@ -148,6 +148,8 @@ jobs:
             --output "$GITHUB_WORKSPACE/.api-snapshots-baseline"
 
       - name: Detect API changes
+        env:
+          SNAPI_ANTHROPIC_API_KEY: ${{ secrets.SNAPI_ANTHROPIC_API_KEY }}
         run: |
           pnpm dlx --package "$SNAPI_PACKAGE" snapi detect \
             --baseline .api-snapshots-baseline \