(all): update removal in deprecation warnings from 0.2 to 0.3 (#21265)

We are pushing out the removal of these to 0.3.

`find . -type f -name "*.py" -exec sed -i ''
's/removal="0\.2/removal="0.3/g' {} +`

libs/community/langchain_community/vectorstores/astradb.py

@@ -67,7 +67,7 @@ def _unique_list(lst: List[T], key: Callable[[T], U]) -> List[T]:
 
 @deprecated(
     since="0.0.21",
-    removal="0.2.0",
+    removal="0.3.0",
     alternative_import="langchain_astradb.AstraDBVectorStore",
 )
 class AstraDB(VectorStore):

libs/community/langchain_community/vectorstores/bigquery_vector_search.py

@@ -38,7 +38,7 @@ _vector_table_lock = Lock()  # process-wide BigQueryVectorSearch table lock
 
 @deprecated(
     since="0.0.33",
-    removal="0.2.0",
+    removal="0.3.0",
     alternative_import="langchain_google_community.BigQueryVectorSearch",
 )
 class BigQueryVectorSearch(VectorStore):

libs/community/langchain_community/vectorstores/matching_engine.py

@@ -28,7 +28,7 @@ logger = logging.getLogger(__name__)
 
 @deprecated(
     since="0.0.12",
-    removal="0.2.0",
+    removal="0.3.0",
     alternative_import="langchain_google_vertexai.VectorSearchVectorStore",
 )
 class MatchingEngine(VectorStore):

libs/community/langchain_community/vectorstores/mongodb_atlas.py

@@ -35,7 +35,7 @@ DEFAULT_INSERT_BATCH_SIZE = 100
 
 @deprecated(
     since="0.0.25",
-    removal="0.2.0",
+    removal="0.3.0",
     alternative_import="langchain_mongodb.MongoDBAtlasVectorSearch",
 )
 class MongoDBAtlasVectorSearch(VectorStore):

libs/community/langchain_community/vectorstores/pinecone.py

@@ -43,7 +43,7 @@ def _is_pinecone_v3() -> bool:
 
 
 @deprecated(
-    since="0.0.18", removal="0.2.0", alternative_import="langchain_pinecone.Pinecone"
+    since="0.0.18", removal="0.3.0", alternative_import="langchain_pinecone.Pinecone"
 )
 class Pinecone(VectorStore):
     """`Pinecone` vector store.