[Draft] Fix flushing of rejects before disconnecting #3594

Job	Run time
extended-lint	3m 39s
lint	50s
Native-x64-Linux	5m 11s
Native-x64-Linux-latest	4m 32s
Depends-ARM 32-bit	2m 31s
CMake-Linux	3m 56s
Native-x64-macOS	7m 36s
Depends-AARCH64	2m 5s
CMake-Linux-latest	4m 11s
Native-arm64-macOS-latest	6m 39s
Depends-Win64	2m 34s
CMake-macOS	9m 23s
Depends-32-bit + dash	2m 13s
CMake-macOS-latest	6m 37s
Depends-x86_64 Linux	2m 15s
Depends-macOS 10.12	2m 14s
ARM 32-bit [GOAL:install]	4m 15s
AARCH64 [GOAL:install]	4m 23s
Win64 [GOAL:deploy]	5m 1s
x86_64 Linux [GOAL:install]	4m 40s
macOS 10.12 [GOAL:deploy]	3m 58s
Test-Depends-${{ matrix.config.name }}	0s
Native-${{ matrix.config.name }}-tests	0s
	1h 28m 43s

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