Updates to proto for state apis (#5407) #4383

Job	Run time
format	1m 5s
check-proto-changes-python	1m 10s
lint	55s
markdown-code-lint	2m 41s
pyright (./packages/autogen-core)	1m 44s
pyright (./packages/agbench)	59s
mypy (./packages/autogen-core)	3m 50s
samples-code-check	58s
pyright (./packages/autogen-ext)	1m 7s
test (./packages/autogen-core)	1m 40s
mypy (./packages/agbench)	57s
pyright (./packages/autogen-agentchat)	1m 10s
test (./packages/autogen-ext)	4m 52s
pyright (./packages/magentic-one-cli)	55s
mypy (./packages/autogen-ext)	2m 57s
test (./packages/autogen-agentchat)	1m 17s
mypy (./packages/autogen-agentchat)	1m 43s
mypy (./packages/magentic-one-cli)	1m 24s
docs (./packages/autogen-core)	1m 53s
docs-example-check (./packages/autogen-core)	3m 18s
codecov (./packages/autogen-core)	7s
codecov (./packages/autogen-ext)	9s
codecov (./packages/autogen-agentchat)	9s
	37m 0s

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