libs/vertexai/v3.0.0

Changes since libs/vertexai/v2.1.2

release(vertex): 3.0.0 (#1250)
release: 3.0.0 (langchain-v1) (genai, vertexai, community) (#1194)
docs: fix Griffe warnings (#1236)
fix(vertex): skip tests for retired models (#1247)
fix(vertex): ToolMessage is translated to function role which does not exist . (#1238)
feat(vertex): migrated embeddings to the new SDK (#1229)
test: use gemini-flash-lite-latest (#1230)
chore(genai): update from gemini-1.5-flash to gemini-2.5-flash (#1221)
chore: bump lockfiles, resolve linting (genai, vertex, community) (#1203)
feat(vertex): add additional args for vertex ai vector search (#1198)
chore(vertex): add migration TODOs, suppress warning (#1196)
fix(vertex): honor max_retries=0 and disable GAPIC retries (#1185)
fix(vertex): update model version check for text embedding (#1184)
genai, vertex: nits (#1173)
fix: use .invoke() instead of __call__ for LLMs (#1172)