Disable batch send for dlq producer. #755

Job	Run time
Run unit tests	16m 56s
Build with the C++20 standard	5m 34s
Build the Wireshark dissector (ubuntu-20.04)	31s
Build the Wireshark dissector (macos-12)	1m 2s
Build CPP Client on macOS with static dependencies	6m 53s
Build CPP Client on macOS	4m 13s
Build CPP Client on Windows x64	29m 49s
Build RPM x86_64	9m 44s
Build CPP Client on Windows x86	28m 24s
Build Deb x86_64	10m 37s
Build Alpine x86_64	11m 7s
Check Completion	1s
	2h 4m 51s

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