improve component config, add description support in dump_component #3865

Job	Run time
lint	1m 8s
mypy (./packages/autogen-core)	3m 15s
mypy (./packages/autogen-magentic-one)	1m 24s
pyright (./packages/autogen-core)	1m 15s
format	55s
pyright (./packages/autogen-magentic-one)	1m 5s
mypy (./packages/agbench)	1m 0s
pyright (./packages/agbench)	1m 10s
mypy (./packages/autogen-ext)	2m 59s
pyright (./packages/autogen-ext)	1m 1s
mypy (./packages/autogen-agentchat)	1m 23s
pyright (./packages/autogen-agentchat)	1m 1s
mypy (./packages/magentic-one-cli)	1m 38s
pyright (./packages/magentic-one-cli)	57s
check-proto-changes-python	1m 14s
docs (./packages/autogen-core)	1m 42s
docs-example-check (./packages/autogen-core)	3m 14s
markdown-code-lint	2m 13s
samples-code-check	1m 6s
test (./packages/autogen-core)	59s
test (./packages/autogen-magentic-one)	2m 10s
test (./packages/autogen-ext)	4m 35s
test (./packages/autogen-agentchat)	1m 16s
codecov (./packages/autogen-core)	10s
codecov (./packages/autogen-magentic-one)	13s
codecov (./packages/autogen-ext)	8s
codecov (./packages/autogen-agentchat)	8s
	39m 19s

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