REF: replaced variable name in TextMentionTermination #5133

Job	Run time
docs (./packages/autogen-core)	1m 56s
check-proto-changes-python	1m 10s
format	53s
docs-example-check (./packages/autogen-core)	3m 53s
lint	1m 0s
mypy (./packages/autogen-core)	3m 33s
markdown-code-lint	2m 59s
mypy (./packages/agbench)	1m 1s
mypy (./packages/autogen-ext)	3m 9s
mypy (./packages/autogen-agentchat)	1m 26s
pyright (./packages/autogen-core)	1m 5s
test (./packages/autogen-core)	1m 1s
pyright (./packages/agbench)	1m 2s
mypy (./packages/magentic-one-cli)	1m 30s
test (./packages/autogen-ext)	4m 20s
pyright (./packages/autogen-ext)	2m 59s
samples-code-check	1m 0s
test (./packages/autogen-agentchat)	1m 20s
pyright (./packages/autogen-agentchat)	58s
pyright (./packages/magentic-one-cli)	1m 10s
test-grpc	4m 4s
codecov (./packages/autogen-core)	8s
codecov (./packages/autogen-ext)	14s
codecov (./packages/autogen-agentchat)	9s
codecov (autogen-ext-grpc)	8s
	42m 8s

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