Fix missing pyyaml dep

Author: amrit110

pyproject.toml

@@ -7,7 +7,9 @@ authors = [ {name = "Vector AI Engineering", email = "ai_engineering@vectorinsti
 license = "Apache-2.0"
 repository = "https://github.com/VectorInstitute/implementation-catalog"
 requires-python = ">=3.12"
-dependencies = []
+dependencies = [
+    "pyyaml>=6.0.2",
+]
 
 [project.scripts]
 sync-readme = "scripts.sync_readme_to_docs:main"