libs/vertexai/v3.0.2

• Fix issue where thinking params were not being surfaced in traces

Changes since libs/vertexai/v3.0.1

release(vertex): 3.0.2 (#1284)
feat: Add base_url support (#1278)
test(vertex): use new claude model (#1273)
fix(vertex): make thinking params available for langsmith tracing (#1276)
test: fix fetching (#1281)
chore: bump langchain-tests (#1277)
style: more refs styling work (#1272)
style: refs pass, model names (#1270)