(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/experimental/langchain_experimental/llms/anthropic_functions.py

@@ -126,7 +126,7 @@ def _destrip(tool_input: Any) -> Any:
 
 @deprecated(
     since="0.0.54",
-    removal="0.2",
+    removal="0.3",
     alternative_import="langchain_anthropic.experimental.ChatAnthropicTools",
 )
 class AnthropicFunctions(BaseChatModel):