feat: async memory support

Adds async support for tools with tests, async execution in the agent executor, and async operations for memory (with aiosqlite). Improves tool decorator typing, ensures _run backward compatibility, updates docs and docstrings, adds tests, and regenerates lockfiles.

lib/crewai/pyproject.toml

@@ -38,6 +38,7 @@ dependencies = [
     "pydantic-settings~=2.10.1",
     "mcp~=1.16.0",
     "uv~=0.9.13",
+    "aiosqlite~=0.21.0",
 ]
 
 [project.urls]