Test

out_forward: drop keepalive sockets with failed or mismatched acks #1829

Job	Run time
ruby-versions / Generate Ruby versions	4s
Windows service (Ruby 4.0)	6m 43s
Windows service (Ruby 3.2)	6m 33s
Windows service (Ruby 3.4)	7m 1s
Windows service (Ruby 3.3)	6m 48s
Ruby 3.2 on macos-latest	21m 32s
Ruby 4.0 on ubuntu-latest	20m 20s
Ruby 3.3 on macos-latest	23m 44s
Ruby 4.0 on macos-latest	23m 50s
Ruby 3.2 on ubuntu-latest	20m 1s
Ruby 3.3 on ubuntu-latest	20m 24s
Ruby 3.4 on ubuntu-latest	20m 27s
Ruby 4.0 on windows-latest	31m 8s
Ruby 3.4 on macos-latest	23m 52s
Ruby 3.2 on windows-latest	32m 27s
Ruby 3.4 on windows-latest	29m 35s
Ruby 3.4 on windows-11-arm	29m 47s
Ruby 4.0 on windows-11-arm	30m 48s
Ruby 3.3 on windows-latest	30m 15s
	6h 25m 19s

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